20883688

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10079}}^1$

素因数の和:10129

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25081112

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10079, 20158, 40316, 70553, 80632, 141106, 282212, 372923, 564424, 745846, 1491692, 2610461, 2983384, 5220922, 10441844, 20883688]

約数ペア:

[(1, 20883688), (2, 10441844), (4, 5220922), (7, 2983384), (8, 2610461), (14, 1491692), (28, 745846), (37, 564424), (56, 372923), (74, 282212), (148, 141106), (259, 80632), (296, 70553), (518, 40316), (1036, 20158), (2072, 10079)]