20569570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{643}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 42473088

約数和(自身を除く): 21903518

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 643, 914, 1286, 2285, 3199, 3215, 4501, 4570, 6398, 6430, 9002, 15995, 22505, 31990, 45010, 293851, 587702, 1469255, 2056957, 2938510, 4113914, 10284785, 20569570]

約数ペア:

[(1, 20569570), (2, 10284785), (5, 4113914), (7, 2938510), (10, 2056957), (14, 1469255), (35, 587702), (70, 293851), (457, 45010), (643, 31990), (914, 22505), (1286, 15995), (2285, 9002), (3199, 6430), (3215, 6398), (4501, 4570)]