20100565780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3210953}}^1$

素因数の和:3211275

約数の個数: 24

約数和(自身を含む): 42346061352

約数和(自身を除く): 22245495572

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 3210953, 6421906, 12843812, 16054765, 32109530, 64219060, 1005028289, 2010056578, 4020113156, 5025141445, 10050282890, 20100565780]

約数ペア:

[(1, 20100565780), (2, 10050282890), (4, 5025141445), (5, 4020113156), (10, 2010056578), (20, 1005028289), (313, 64219060), (626, 32109530), (1252, 16054765), (1565, 12843812), (3130, 6421906), (6260, 3210953)]