20213798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 34587648

約数和(自身を除く): 14373850

約数列:

[1, 2, 11, 22, 31, 62, 107, 214, 277, 341, 554, 682, 1177, 2354, 3047, 3317, 6094, 6634, 8587, 17174, 29639, 36487, 59278, 72974, 94457, 188914, 326029, 652058, 918809, 1837618, 10106899, 20213798]

約数ペア:

[(1, 20213798), (2, 10106899), (11, 1837618), (22, 918809), (31, 652058), (62, 326029), (107, 188914), (214, 94457), (277, 72974), (341, 59278), (554, 36487), (682, 29639), (1177, 17174), (2354, 8587), (3047, 6634), (3317, 6094)]