20245874816

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{2111}}^1\times {\mathrm{2417}}^1$

素因数の和:4573

約数の個数: 64

約数和(自身を含む): 41671618560

約数和(自身を除く): 21425743744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 2111, 2417, 3968, 4222, 4834, 8444, 9668, 16888, 19336, 33776, 38672, 65441, 67552, 74927, 77344, 130882, 135104, 149854, 154688, 261764, 270208, 299708, 309376, 523528, 599416, 1047056, 1198832, 2094112, 2397664, 4188224, 4795328, 5102287, 8376448, 9590656, 10204574, 20409148, 40818296, 81636592, 158170897, 163273184, 316341794, 326546368, 632683588, 653092736, 1265367176, 2530734352, 5061468704, 10122937408, 20245874816]

約数ペア:

[(1, 20245874816), (2, 10122937408), (4, 5061468704), (8, 2530734352), (16, 1265367176), (31, 653092736), (32, 632683588), (62, 326546368), (64, 316341794), (124, 163273184), (128, 158170897), (248, 81636592), (496, 40818296), (992, 20409148), (1984, 10204574), (2111, 9590656), (2417, 8376448), (3968, 5102287), (4222, 4795328), (4834, 4188224), (8444, 2397664), (9668, 2094112), (16888, 1198832), (19336, 1047056), (33776, 599416), (38672, 523528), (65441, 309376), (67552, 299708), (74927, 270208), (77344, 261764), (130882, 154688), (135104, 149854)]