20602150

素因数分解:

$2^1\times 5^2\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1296

約数の個数: 24

約数和(自身を含む): 38439504

約数和(自身を除く): 17837354

約数列:

[1, 2, 5, 10, 25, 50, 631, 653, 1262, 1306, 3155, 3265, 6310, 6530, 15775, 16325, 31550, 32650, 412043, 824086, 2060215, 4120430, 10301075, 20602150]

約数ペア:

[(1, 20602150), (2, 10301075), (5, 4120430), (10, 2060215), (25, 824086), (50, 412043), (631, 32650), (653, 31550), (1262, 16325), (1306, 15775), (3155, 6530), (3265, 6310)]