2011420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 4256784

約数和(自身を除く): 2245364

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 617, 652, 815, 1234, 1630, 2468, 3085, 3260, 6170, 12340, 100571, 201142, 402284, 502855, 1005710, 2011420]

約数ペア:

[(1, 2011420), (2, 1005710), (4, 502855), (5, 402284), (10, 201142), (20, 100571), (163, 12340), (326, 6170), (617, 3260), (652, 3085), (815, 2468), (1234, 1630)]