20344636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1637}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 18181124

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 1637, 3107, 3274, 6214, 6548, 12428, 21281, 42562, 85124, 391243, 782486, 1564972, 5086159, 10172318, 20344636]

約数ペア:

[(1, 20344636), (2, 10172318), (4, 5086159), (13, 1564972), (26, 782486), (52, 391243), (239, 85124), (478, 42562), (956, 21281), (1637, 12428), (3107, 6548), (3274, 6214)]