20178176

素因数分解:

$2^8\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 54

約数和(自身を含む): 42387450

約数和(自身を除く): 22209274

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 149, 184, 256, 298, 368, 529, 596, 736, 1058, 1192, 1472, 2116, 2384, 2944, 3427, 4232, 4768, 5888, 6854, 8464, 9536, 13708, 16928, 19072, 27416, 33856, 38144, 54832, 67712, 78821, 109664, 135424, 157642, 219328, 315284, 438656, 630568, 877312, 1261136, 2522272, 5044544, 10089088, 20178176]

約数ペア:

[(1, 20178176), (2, 10089088), (4, 5044544), (8, 2522272), (16, 1261136), (23, 877312), (32, 630568), (46, 438656), (64, 315284), (92, 219328), (128, 157642), (149, 135424), (184, 109664), (256, 78821), (298, 67712), (368, 54832), (529, 38144), (596, 33856), (736, 27416), (1058, 19072), (1192, 16928), (1472, 13708), (2116, 9536), (2384, 8464), (2944, 6854), (3427, 5888), (4232, 4768)]