20010897720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{51043}}^1$

素因数の和:51088

約数の個数: 240

約数和(自身を含む): 73930598280

約数和(自身を除く): 53919700560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 121, 132, 135, 162, 165, 180, 198, 216, 220, 242, 264, 270, 297, 324, 330, 360, 363, 396, 405, 440, 484, 495, 540, 594, 605, 648, 660, 726, 792, 810, 891, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1620, 1782, 1815, 1980, 2178, 2376, 2420, 2904, 2970, 3240, 3267, 3564, 3630, 3960, 4356, 4455, 4840, 5445, 5940, 6534, 7128, 7260, 8712, 8910, 9801, 10890, 11880, 13068, 14520, 16335, 17820, 19602, 21780, 26136, 32670, 35640, 39204, 43560, 49005, 51043, 65340, 78408, 98010, 102086, 130680, 153129, 196020, 204172, 255215, 306258, 392040, 408344, 459387, 510430, 561473, 612516, 765645, 918774, 1020860, 1122946, 1225032, 1378161, 1531290, 1684419, 1837548, 2041720, 2245892, 2296935, 2756322, 2807365, 3062580, 3368838, 3675096, 4134483, 4491784, 4593870, 5053257, 5512644, 5614730, 6125160, 6176203, 6737676, 6890805, 8268966, 8422095, 9187740, 10106514, 11025288, 11229460, 12352406, 13475352, 13781610, 15159771, 16537932, 16844190, 18375480, 18528609, 20213028, 20672415, 22458920, 24704812, 25266285, 27563220, 30319542, 30881015, 33075864, 33688380, 37057218, 40426056, 41344830, 45479313, 49409624, 50532570, 55126440, 55585827, 60639084, 61762030, 67376760, 74114436, 75798855, 82689660, 90958626, 92643045, 101065140, 111171654, 121278168, 123524060, 148228872, 151597710, 165379320, 166757481, 181917252, 185286090, 202130280, 222343308, 227396565, 247048120, 277929135, 303195420, 333514962, 363834504, 370572180, 444686616, 454793130, 500272443, 555858270, 606390840, 667029924, 741144360, 833787405, 909586260, 1000544886, 1111716540, 1334059848, 1667574810, 1819172520, 2001089772, 2223433080, 2501362215, 3335149620, 4002179544, 5002724430, 6670299240, 10005448860, 20010897720]

約数ペア:

[(1, 20010897720), (2, 10005448860), (3, 6670299240), (4, 5002724430), (5, 4002179544), (6, 3335149620), (8, 2501362215), (9, 2223433080), (10, 2001089772), (11, 1819172520), (12, 1667574810), (15, 1334059848), (18, 1111716540), (20, 1000544886), (22, 909586260), (24, 833787405), (27, 741144360), (30, 667029924), (33, 606390840), (36, 555858270), (40, 500272443), (44, 454793130), (45, 444686616), (54, 370572180), (55, 363834504), (60, 333514962), (66, 303195420), (72, 277929135), (81, 247048120), (88, 227396565), (90, 222343308), (99, 202130280), (108, 185286090), (110, 181917252), (120, 166757481), (121, 165379320), (132, 151597710), (135, 148228872), (162, 123524060), (165, 121278168), (180, 111171654), (198, 101065140), (216, 92643045), (220, 90958626), (242, 82689660), (264, 75798855), (270, 74114436), (297, 67376760), (324, 61762030), (330, 60639084), (360, 55585827), (363, 55126440), (396, 50532570), (405, 49409624), (440, 45479313), (484, 41344830), (495, 40426056), (540, 37057218), (594, 33688380), (605, 33075864), (648, 30881015), (660, 30319542), (726, 27563220), (792, 25266285), (810, 24704812), (891, 22458920), (968, 20672415), (990, 20213028), (1080, 18528609), (1089, 18375480), (1188, 16844190), (1210, 16537932), (1320, 15159771), (1452, 13781610), (1485, 13475352), (1620, 12352406), (1782, 11229460), (1815, 11025288), (1980, 10106514), (2178, 9187740), (2376, 8422095), (2420, 8268966), (2904, 6890805), (2970, 6737676), (3240, 6176203), (3267, 6125160), (3564, 5614730), (3630, 5512644), (3960, 5053257), (4356, 4593870), (4455, 4491784), (4840, 4134483), (5445, 3675096), (5940, 3368838), (6534, 3062580), (7128, 2807365), (7260, 2756322), (8712, 2296935), (8910, 2245892), (9801, 2041720), (10890, 1837548), (11880, 1684419), (13068, 1531290), (14520, 1378161), (16335, 1225032), (17820, 1122946), (19602, 1020860), (21780, 918774), (26136, 765645), (32670, 612516), (35640, 561473), (39204, 510430), (43560, 459387), (49005, 408344), (51043, 392040), (65340, 306258), (78408, 255215), (98010, 204172), (102086, 196020), (130680, 153129)]