20426368

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 44186400

約数和(自身を除く): 23760032

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 227, 296, 304, 454, 592, 608, 703, 908, 1184, 1216, 1406, 1816, 2368, 2432, 2812, 3632, 4313, 4736, 5624, 7264, 8399, 8626, 11248, 14528, 16798, 17252, 22496, 29056, 33596, 34504, 44992, 67192, 69008, 89984, 134384, 138016, 159581, 268768, 276032, 319162, 537536, 552064, 638324, 1075072, 1276648, 2553296, 5106592, 10213184, 20426368]

約数ペア:

[(1, 20426368), (2, 10213184), (4, 5106592), (8, 2553296), (16, 1276648), (19, 1075072), (32, 638324), (37, 552064), (38, 537536), (64, 319162), (74, 276032), (76, 268768), (128, 159581), (148, 138016), (152, 134384), (227, 89984), (296, 69008), (304, 67192), (454, 44992), (592, 34504), (608, 33596), (703, 29056), (908, 22496), (1184, 17252), (1216, 16798), (1406, 14528), (1816, 11248), (2368, 8626), (2432, 8399), (2812, 7264), (3632, 5624), (4313, 4736)]