20489072760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4378007}}^1$

素因数の和:4378037

約数の個数: 96

約数和(自身を含む): 71711771040

約数和(自身を除く): 51222698280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4378007, 8756014, 13134021, 17512028, 21890035, 26268042, 35024056, 39402063, 43780070, 52536084, 56914091, 65670105, 78804126, 87560140, 105072168, 113828182, 131340210, 157608252, 170742273, 175120280, 197010315, 227656364, 262680420, 284570455, 315216504, 341484546, 394020630, 455312728, 512226819, 525360840, 569140910, 682969092, 788041260, 853711365, 1024453638, 1138281820, 1365938184, 1576082520, 1707422730, 2048907276, 2276563640, 2561134095, 3414845460, 4097814552, 5122268190, 6829690920, 10244536380, 20489072760]

約数ペア:

[(1, 20489072760), (2, 10244536380), (3, 6829690920), (4, 5122268190), (5, 4097814552), (6, 3414845460), (8, 2561134095), (9, 2276563640), (10, 2048907276), (12, 1707422730), (13, 1576082520), (15, 1365938184), (18, 1138281820), (20, 1024453638), (24, 853711365), (26, 788041260), (30, 682969092), (36, 569140910), (39, 525360840), (40, 512226819), (45, 455312728), (52, 394020630), (60, 341484546), (65, 315216504), (72, 284570455), (78, 262680420), (90, 227656364), (104, 197010315), (117, 175120280), (120, 170742273), (130, 157608252), (156, 131340210), (180, 113828182), (195, 105072168), (234, 87560140), (260, 78804126), (312, 65670105), (360, 56914091), (390, 52536084), (468, 43780070), (520, 39402063), (585, 35024056), (780, 26268042), (936, 21890035), (1170, 17512028), (1560, 13134021), (2340, 8756014), (4680, 4378007)]