15628820

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4517}}^1$

素因数の和:4699

約数の個数: 24

約数和(自身を含む): 33017544

約数和(自身を除く): 17388724

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 4517, 9034, 18068, 22585, 45170, 90340, 781441, 1562882, 3125764, 3907205, 7814410, 15628820]

約数ペア:

[(1, 15628820), (2, 7814410), (4, 3907205), (5, 3125764), (10, 1562882), (20, 781441), (173, 90340), (346, 45170), (692, 22585), (865, 18068), (1730, 9034), (3460, 4517)]