20993302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14672618

約数列:

[1, 2, 11, 22, 47, 79, 94, 158, 257, 514, 517, 869, 1034, 1738, 2827, 3713, 5654, 7426, 12079, 20303, 24158, 40606, 40843, 81686, 132869, 223333, 265738, 446666, 954241, 1908482, 10496651, 20993302]

約数ペア:

[(1, 20993302), (2, 10496651), (11, 1908482), (22, 954241), (47, 446666), (79, 265738), (94, 223333), (158, 132869), (257, 81686), (514, 40843), (517, 40606), (869, 24158), (1034, 20303), (1738, 12079), (2827, 7426), (3713, 5654)]