20152028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2029}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 38196480

約数和(自身を除く): 18044452

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 2029, 2483, 4058, 4966, 8116, 9932, 26377, 52754, 105508, 387539, 775078, 1550156, 5038007, 10076014, 20152028]

約数ペア:

[(1, 20152028), (2, 10076014), (4, 5038007), (13, 1550156), (26, 775078), (52, 387539), (191, 105508), (382, 52754), (764, 26377), (2029, 9932), (2483, 8116), (4058, 4966)]