20642150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9601}}^1$

素因数の和:9656

約数の個数: 24

約数和(自身を含む): 39291384

約数和(自身を除く): 18649234

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9601, 19202, 48005, 96010, 240025, 412843, 480050, 825686, 2064215, 4128430, 10321075, 20642150]

約数ペア:

[(1, 20642150), (2, 10321075), (5, 4128430), (10, 2064215), (25, 825686), (43, 480050), (50, 412843), (86, 240025), (215, 96010), (430, 48005), (1075, 19202), (2150, 9601)]