20426241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 31481856

約数和(自身を除く): 11055615

約数列:

[1, 3, 11, 31, 33, 41, 93, 123, 341, 451, 487, 1023, 1271, 1353, 1461, 3813, 5357, 13981, 15097, 16071, 19967, 41943, 45291, 59901, 166067, 219637, 498201, 618977, 658911, 1856931, 6808747, 20426241]

約数ペア:

[(1, 20426241), (3, 6808747), (11, 1856931), (31, 658911), (33, 618977), (41, 498201), (93, 219637), (123, 166067), (341, 59901), (451, 45291), (487, 41943), (1023, 19967), (1271, 16071), (1353, 15097), (1461, 13981), (3813, 5357)]