20722940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148021}}^1$

素因数の和:148037

約数の個数: 24

約数和(自身を含む): 49735392

約数和(自身を除く): 29012452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148021, 296042, 592084, 740105, 1036147, 1480210, 2072294, 2960420, 4144588, 5180735, 10361470, 20722940]

約数ペア:

[(1, 20722940), (2, 10361470), (4, 5180735), (5, 4144588), (7, 2960420), (10, 2072294), (14, 1480210), (20, 1036147), (28, 740105), (35, 592084), (70, 296042), (140, 148021)]