12151420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3181}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 25659648

約数和(自身を除く): 13508228

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3181, 3820, 6362, 12724, 15905, 31810, 63620, 607571, 1215142, 2430284, 3037855, 6075710, 12151420]

約数ペア:

[(1, 12151420), (2, 6075710), (4, 3037855), (5, 2430284), (10, 1215142), (20, 607571), (191, 63620), (382, 31810), (764, 15905), (955, 12724), (1910, 6362), (3181, 3820)]