20505694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 35085312

約数和(自身を除く): 14579618

約数列:

[1, 2, 11, 22, 31, 62, 107, 214, 281, 341, 562, 682, 1177, 2354, 3091, 3317, 6182, 6634, 8711, 17422, 30067, 36487, 60134, 72974, 95821, 191642, 330737, 661474, 932077, 1864154, 10252847, 20505694]

約数ペア:

[(1, 20505694), (2, 10252847), (11, 1864154), (22, 932077), (31, 661474), (62, 330737), (107, 191642), (214, 95821), (281, 72974), (341, 60134), (562, 36487), (682, 30067), (1177, 17422), (2354, 8711), (3091, 6634), (3317, 6182)]