20804967120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{2239}}^1\times {\mathrm{5531}}^1$

素因数の和:7793

約数の個数: 160

約数和(自身を含む): 73755279360

約数和(自身を除く): 52950312240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 2239, 4478, 5531, 6717, 8956, 11062, 11195, 13434, 15673, 16593, 17912, 22124, 22390, 26868, 27655, 31346, 33186, 33585, 35824, 38717, 44248, 44780, 47019, 53736, 55310, 62692, 66372, 67170, 77434, 78365, 82965, 88496, 89560, 94038, 107472, 110620, 116151, 125384, 132744, 134340, 154868, 156730, 165930, 179120, 188076, 193585, 221240, 232302, 235095, 250768, 265488, 268680, 309736, 313460, 331860, 376152, 387170, 442480, 464604, 470190, 537360, 580755, 619472, 626920, 663720, 752304, 774340, 929208, 940380, 1161510, 1253840, 1327440, 1548680, 1858416, 1880760, 2323020, 3097360, 3761520, 4646040, 9292080, 12383909, 24767818, 37151727, 49535636, 61919545, 74303454, 86687363, 99071272, 123839090, 148606908, 173374726, 185758635, 198142544, 247678180, 260062089, 297213816, 346749452, 371517270, 433436815, 495356360, 520124178, 594427632, 693498904, 743034540, 866873630, 990712720, 1040248356, 1300310445, 1386997808, 1486069080, 1733747260, 2080496712, 2600620890, 2972138160, 3467494520, 4160993424, 5201241780, 6934989040, 10402483560, 20804967120]

約数ペア:

[(1, 20804967120), (2, 10402483560), (3, 6934989040), (4, 5201241780), (5, 4160993424), (6, 3467494520), (7, 2972138160), (8, 2600620890), (10, 2080496712), (12, 1733747260), (14, 1486069080), (15, 1386997808), (16, 1300310445), (20, 1040248356), (21, 990712720), (24, 866873630), (28, 743034540), (30, 693498904), (35, 594427632), (40, 520124178), (42, 495356360), (48, 433436815), (56, 371517270), (60, 346749452), (70, 297213816), (80, 260062089), (84, 247678180), (105, 198142544), (112, 185758635), (120, 173374726), (140, 148606908), (168, 123839090), (210, 99071272), (240, 86687363), (280, 74303454), (336, 61919545), (420, 49535636), (560, 37151727), (840, 24767818), (1680, 12383909), (2239, 9292080), (4478, 4646040), (5531, 3761520), (6717, 3097360), (8956, 2323020), (11062, 1880760), (11195, 1858416), (13434, 1548680), (15673, 1327440), (16593, 1253840), (17912, 1161510), (22124, 940380), (22390, 929208), (26868, 774340), (27655, 752304), (31346, 663720), (33186, 626920), (33585, 619472), (35824, 580755), (38717, 537360), (44248, 470190), (44780, 464604), (47019, 442480), (53736, 387170), (55310, 376152), (62692, 331860), (66372, 313460), (67170, 309736), (77434, 268680), (78365, 265488), (82965, 250768), (88496, 235095), (89560, 232302), (94038, 221240), (107472, 193585), (110620, 188076), (116151, 179120), (125384, 165930), (132744, 156730), (134340, 154868)]