20211230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1453}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 39572064

約数和(自身を除く): 19360834

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1453, 2782, 2906, 6955, 7265, 13910, 14530, 18889, 37778, 94445, 155471, 188890, 310942, 777355, 1554710, 2021123, 4042246, 10105615, 20211230]

約数ペア:

[(1, 20211230), (2, 10105615), (5, 4042246), (10, 2021123), (13, 1554710), (26, 777355), (65, 310942), (107, 188890), (130, 155471), (214, 94445), (535, 37778), (1070, 18889), (1391, 14530), (1453, 13910), (2782, 7265), (2906, 6955)]