20443207681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1\times {\mathrm{1823}}^1$

素因数の和:2485

約数の個数: 32

約数和(自身を含む): 23509463040

約数和(自身を除く): 3066255359

約数列:

[1, 13, 19, 83, 247, 547, 1079, 1577, 1823, 7111, 10393, 20501, 23699, 34637, 45401, 135109, 151309, 450281, 590213, 862619, 997181, 1967017, 2874871, 11214047, 12963353, 18946439, 37373323, 82766023, 246303707, 1075958299, 1572554437, 20443207681]

約数ペア:

[(1, 20443207681), (13, 1572554437), (19, 1075958299), (83, 246303707), (247, 82766023), (547, 37373323), (1079, 18946439), (1577, 12963353), (1823, 11214047), (7111, 2874871), (10393, 1967017), (20501, 997181), (23699, 862619), (34637, 590213), (45401, 450281), (135109, 151309)]