20442940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146021}}^1$

素因数の和:146037

約数の個数: 24

約数和(自身を含む): 49063392

約数和(自身を除く): 28620452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146021, 292042, 584084, 730105, 1022147, 1460210, 2044294, 2920420, 4088588, 5110735, 10221470, 20442940]

約数ペア:

[(1, 20442940), (2, 10221470), (4, 5110735), (5, 4088588), (7, 2920420), (10, 2044294), (14, 1460210), (20, 1022147), (28, 730105), (35, 584084), (70, 292042), (140, 146021)]