20003330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3058

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18876670

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 2999, 3335, 5998, 6670, 14995, 29990, 68977, 86971, 137954, 173942, 344885, 434855, 689770, 869710, 2000333, 4000666, 10001665, 20003330]

約数ペア:

[(1, 20003330), (2, 10001665), (5, 4000666), (10, 2000333), (23, 869710), (29, 689770), (46, 434855), (58, 344885), (115, 173942), (145, 137954), (230, 86971), (290, 68977), (667, 29990), (1334, 14995), (2999, 6670), (3335, 5998)]