20158192

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 42492816

約数和(自身を除く): 22334624

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2003, 2516, 4006, 5032, 8012, 10064, 16024, 32048, 34051, 68102, 74111, 136204, 148222, 272408, 296444, 544816, 592888, 1185776, 1259887, 2519774, 5039548, 10079096, 20158192]

約数ペア:

[(1, 20158192), (2, 10079096), (4, 5039548), (8, 2519774), (16, 1259887), (17, 1185776), (34, 592888), (37, 544816), (68, 296444), (74, 272408), (136, 148222), (148, 136204), (272, 74111), (296, 68102), (592, 34051), (629, 32048), (1258, 16024), (2003, 10064), (2516, 8012), (4006, 5032)]