20408957327

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 23017333248

約数和(自身を除く): 2608375921

約数列:

[1, 11, 41, 227, 311, 451, 641, 2497, 3421, 7051, 9307, 12751, 26281, 70597, 102377, 140261, 145507, 199351, 289091, 776567, 1600577, 2192861, 2894477, 5965787, 8173391, 31839247, 45252677, 65623657, 89907301, 497779447, 1855359757, 20408957327]

約数ペア:

[(1, 20408957327), (11, 1855359757), (41, 497779447), (227, 89907301), (311, 65623657), (451, 45252677), (641, 31839247), (2497, 8173391), (3421, 5965787), (7051, 2894477), (9307, 2192861), (12751, 1600577), (26281, 776567), (70597, 289091), (102377, 199351), (140261, 145507)]