20147393980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143909957}}^1$

素因数の和:143909973

約数の個数: 24

約数和(自身を含む): 48353745888

約数和(自身を除く): 28206351908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143909957, 287819914, 575639828, 719549785, 1007369699, 1439099570, 2014739398, 2878199140, 4029478796, 5036848495, 10073696990, 20147393980]

約数ペア:

[(1, 20147393980), (2, 10073696990), (4, 5036848495), (5, 4029478796), (7, 2878199140), (10, 2014739398), (14, 1439099570), (20, 1007369699), (28, 719549785), (35, 575639828), (70, 287819914), (140, 143909957)]