20217592

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 39599280

約数和(自身を除く): 19381688

約数列:

[1, 2, 4, 8, 41, 53, 82, 106, 164, 212, 328, 424, 1163, 2173, 2326, 4346, 4652, 8692, 9304, 17384, 47683, 61639, 95366, 123278, 190732, 246556, 381464, 493112, 2527199, 5054398, 10108796, 20217592]

約数ペア:

[(1, 20217592), (2, 10108796), (4, 5054398), (8, 2527199), (41, 493112), (53, 381464), (82, 246556), (106, 190732), (164, 123278), (212, 95366), (328, 61639), (424, 47683), (1163, 17384), (2173, 9304), (2326, 8692), (4346, 4652)]