20465824

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2213}}^1$

素因数の和:2257

約数の個数: 36

約数和(自身を含む): 42820974

約数和(自身を除く): 22355150

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2213, 2312, 4426, 4624, 8852, 9248, 17704, 35408, 37621, 70816, 75242, 150484, 300968, 601936, 639557, 1203872, 1279114, 2558228, 5116456, 10232912, 20465824]

約数ペア:

[(1, 20465824), (2, 10232912), (4, 5116456), (8, 2558228), (16, 1279114), (17, 1203872), (32, 639557), (34, 601936), (68, 300968), (136, 150484), (272, 75242), (289, 70816), (544, 37621), (578, 35408), (1156, 17704), (2213, 9248), (2312, 8852), (4426, 4624)]