20184840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 74692800

約数和(自身を除く): 54507960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 227, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 454, 456, 468, 494, 520, 570, 585, 681, 684, 741, 760, 780, 855, 908, 936, 988, 1135, 1140, 1170, 1235, 1362, 1368, 1482, 1560, 1710, 1816, 1976, 2043, 2223, 2270, 2280, 2340, 2470, 2724, 2951, 2964, 3405, 3420, 3705, 4086, 4313, 4446, 4540, 4680, 4940, 5448, 5902, 5928, 6810, 6840, 7410, 8172, 8626, 8853, 8892, 9080, 9880, 10215, 11115, 11804, 12939, 13620, 14755, 14820, 16344, 17252, 17706, 17784, 20430, 21565, 22230, 23608, 25878, 26559, 27240, 29510, 29640, 34504, 35412, 38817, 40860, 43130, 44265, 44460, 51756, 53118, 56069, 59020, 64695, 70824, 77634, 81720, 86260, 88530, 88920, 103512, 106236, 112138, 118040, 129390, 132795, 155268, 168207, 172520, 177060, 194085, 212472, 224276, 258780, 265590, 280345, 310536, 336414, 354120, 388170, 448552, 504621, 517560, 531180, 560690, 672828, 776340, 841035, 1009242, 1062360, 1121380, 1345656, 1552680, 1682070, 2018484, 2242760, 2523105, 3364140, 4036968, 5046210, 6728280, 10092420, 20184840]

約数ペア:

[(1, 20184840), (2, 10092420), (3, 6728280), (4, 5046210), (5, 4036968), (6, 3364140), (8, 2523105), (9, 2242760), (10, 2018484), (12, 1682070), (13, 1552680), (15, 1345656), (18, 1121380), (19, 1062360), (20, 1009242), (24, 841035), (26, 776340), (30, 672828), (36, 560690), (38, 531180), (39, 517560), (40, 504621), (45, 448552), (52, 388170), (57, 354120), (60, 336414), (65, 310536), (72, 280345), (76, 265590), (78, 258780), (90, 224276), (95, 212472), (104, 194085), (114, 177060), (117, 172520), (120, 168207), (130, 155268), (152, 132795), (156, 129390), (171, 118040), (180, 112138), (190, 106236), (195, 103512), (227, 88920), (228, 88530), (234, 86260), (247, 81720), (260, 77634), (285, 70824), (312, 64695), (342, 59020), (360, 56069), (380, 53118), (390, 51756), (454, 44460), (456, 44265), (468, 43130), (494, 40860), (520, 38817), (570, 35412), (585, 34504), (681, 29640), (684, 29510), (741, 27240), (760, 26559), (780, 25878), (855, 23608), (908, 22230), (936, 21565), (988, 20430), (1135, 17784), (1140, 17706), (1170, 17252), (1235, 16344), (1362, 14820), (1368, 14755), (1482, 13620), (1560, 12939), (1710, 11804), (1816, 11115), (1976, 10215), (2043, 9880), (2223, 9080), (2270, 8892), (2280, 8853), (2340, 8626), (2470, 8172), (2724, 7410), (2951, 6840), (2964, 6810), (3405, 5928), (3420, 5902), (3705, 5448), (4086, 4940), (4313, 4680), (4446, 4540)]