20673570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1381}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 49752000

約数和(自身を除く): 29078430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1381, 1497, 2495, 2762, 2994, 4143, 4990, 6905, 7485, 8286, 13810, 14970, 20715, 41430, 689119, 1378238, 2067357, 3445595, 4134714, 6891190, 10336785, 20673570]

約数ペア:

[(1, 20673570), (2, 10336785), (3, 6891190), (5, 4134714), (6, 3445595), (10, 2067357), (15, 1378238), (30, 689119), (499, 41430), (998, 20715), (1381, 14970), (1497, 13810), (2495, 8286), (2762, 7485), (2994, 6905), (4143, 4990)]