20307572

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 36664320

約数和(自身を除く): 16356748

約数列:

[1, 2, 4, 47, 94, 109, 188, 218, 436, 991, 1982, 3964, 5123, 10246, 20492, 46577, 93154, 108019, 186308, 216038, 432076, 5076893, 10153786, 20307572]

約数ペア:

[(1, 20307572), (2, 10153786), (4, 5076893), (47, 432076), (94, 216038), (109, 186308), (188, 108019), (218, 93154), (436, 46577), (991, 20492), (1982, 10246), (3964, 5123)]