20826454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15254186

約数列:

[1, 2, 11, 22, 23, 46, 79, 158, 253, 506, 521, 869, 1042, 1738, 1817, 3634, 5731, 11462, 11983, 19987, 23966, 39974, 41159, 82318, 131813, 263626, 452749, 905498, 946657, 1893314, 10413227, 20826454]

約数ペア:

[(1, 20826454), (2, 10413227), (11, 1893314), (22, 946657), (23, 905498), (46, 452749), (79, 263626), (158, 131813), (253, 82318), (506, 41159), (521, 39974), (869, 23966), (1042, 19987), (1738, 11983), (1817, 11462), (3634, 5731)]