20485296

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 120

約数和(自身を含む): 63912576

約数和(自身を除く): 43427280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 353, 372, 403, 468, 496, 558, 624, 706, 744, 806, 936, 1059, 1116, 1209, 1412, 1488, 1612, 1872, 2118, 2232, 2418, 2824, 3177, 3224, 3627, 4236, 4464, 4589, 4836, 5648, 6354, 6448, 7254, 8472, 9178, 9672, 10943, 12708, 13767, 14508, 16944, 18356, 19344, 21886, 25416, 27534, 29016, 32829, 36712, 41301, 43772, 50832, 55068, 58032, 65658, 73424, 82602, 87544, 98487, 110136, 131316, 142259, 165204, 175088, 196974, 220272, 262632, 284518, 330408, 393948, 426777, 525264, 569036, 660816, 787896, 853554, 1138072, 1280331, 1575792, 1707108, 2276144, 2560662, 3414216, 5121324, 6828432, 10242648, 20485296]

約数ペア:

[(1, 20485296), (2, 10242648), (3, 6828432), (4, 5121324), (6, 3414216), (8, 2560662), (9, 2276144), (12, 1707108), (13, 1575792), (16, 1280331), (18, 1138072), (24, 853554), (26, 787896), (31, 660816), (36, 569036), (39, 525264), (48, 426777), (52, 393948), (62, 330408), (72, 284518), (78, 262632), (93, 220272), (104, 196974), (117, 175088), (124, 165204), (144, 142259), (156, 131316), (186, 110136), (208, 98487), (234, 87544), (248, 82602), (279, 73424), (312, 65658), (353, 58032), (372, 55068), (403, 50832), (468, 43772), (496, 41301), (558, 36712), (624, 32829), (706, 29016), (744, 27534), (806, 25416), (936, 21886), (1059, 19344), (1116, 18356), (1209, 16944), (1412, 14508), (1488, 13767), (1612, 12708), (1872, 10943), (2118, 9672), (2232, 9178), (2418, 8472), (2824, 7254), (3177, 6448), (3224, 6354), (3627, 5648), (4236, 4836), (4464, 4589)]