20647476

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12203}}^1$

素因数の和:12260

約数の個数: 36

約数和(自身を含む): 53307072

約数和(自身を除く): 32659596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12203, 24406, 36609, 48812, 73218, 109827, 146436, 219654, 439308, 573541, 1147082, 1720623, 2294164, 3441246, 5161869, 6882492, 10323738, 20647476]

約数ペア:

[(1, 20647476), (2, 10323738), (3, 6882492), (4, 5161869), (6, 3441246), (9, 2294164), (12, 1720623), (18, 1147082), (36, 573541), (47, 439308), (94, 219654), (141, 146436), (188, 109827), (282, 73218), (423, 48812), (564, 36609), (846, 24406), (1692, 12203)]