20212852940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144377521}}^1$

素因数の和:144377537

約数の個数: 24

約数和(自身を含む): 48510847392

約数和(自身を除く): 28297994452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144377521, 288755042, 577510084, 721887605, 1010642647, 1443775210, 2021285294, 2887550420, 4042570588, 5053213235, 10106426470, 20212852940]

約数ペア:

[(1, 20212852940), (2, 10106426470), (4, 5053213235), (5, 4042570588), (7, 2887550420), (10, 2021285294), (14, 1443775210), (20, 1010642647), (28, 721887605), (35, 577510084), (70, 288755042), (140, 144377521)]