20143604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7309}}^1$

素因数の和:7379

約数の個数: 24

約数和(自身を含む): 38684520

約数和(自身を除く): 18540916

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7309, 14618, 29236, 95017, 190034, 380068, 387377, 774754, 1549508, 5035901, 10071802, 20143604]

約数ペア:

[(1, 20143604), (2, 10071802), (4, 5035901), (13, 1549508), (26, 774754), (52, 387377), (53, 380068), (106, 190034), (212, 95017), (689, 29236), (1378, 14618), (2756, 7309)]