20312408

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 39448560

約数和(自身を除く): 19136152

約数列:

[1, 2, 4, 8, 37, 74, 148, 163, 296, 326, 421, 652, 842, 1304, 1684, 3368, 6031, 12062, 15577, 24124, 31154, 48248, 62308, 68623, 124616, 137246, 274492, 548984, 2539051, 5078102, 10156204, 20312408]

約数ペア:

[(1, 20312408), (2, 10156204), (4, 5078102), (8, 2539051), (37, 548984), (74, 274492), (148, 137246), (163, 124616), (296, 68623), (326, 62308), (421, 48248), (652, 31154), (842, 24124), (1304, 15577), (1684, 12062), (3368, 6031)]