12115420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19541}}^1$

素因数の和:19581

約数の個数: 24

約数和(自身を含む): 26264448

約数和(自身を除く): 14149028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19541, 39082, 78164, 97705, 195410, 390820, 605771, 1211542, 2423084, 3028855, 6057710, 12115420]

約数ペア:

[(1, 12115420), (2, 6057710), (4, 3028855), (5, 2423084), (10, 1211542), (20, 605771), (31, 390820), (62, 195410), (124, 97705), (155, 78164), (310, 39082), (620, 19541)]