20949864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 36203736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 83, 104, 156, 166, 249, 312, 332, 498, 664, 809, 996, 1079, 1618, 1992, 2158, 2427, 3236, 3237, 4316, 4854, 6472, 6474, 8632, 9708, 10517, 12948, 19416, 21034, 25896, 31551, 42068, 63102, 67147, 84136, 126204, 134294, 201441, 252408, 268588, 402882, 537176, 805764, 872911, 1611528, 1745822, 2618733, 3491644, 5237466, 6983288, 10474932, 20949864]

約数ペア:

[(1, 20949864), (2, 10474932), (3, 6983288), (4, 5237466), (6, 3491644), (8, 2618733), (12, 1745822), (13, 1611528), (24, 872911), (26, 805764), (39, 537176), (52, 402882), (78, 268588), (83, 252408), (104, 201441), (156, 134294), (166, 126204), (249, 84136), (312, 67147), (332, 63102), (498, 42068), (664, 31551), (809, 25896), (996, 21034), (1079, 19416), (1618, 12948), (1992, 10517), (2158, 9708), (2427, 8632), (3236, 6474), (3237, 6472), (4316, 4854)]