20643636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132331}}^1$

素因数の和:132351

約数の個数: 24

約数和(自身を含む): 51874144

約数和(自身を除く): 31230508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132331, 264662, 396993, 529324, 793986, 1587972, 1720303, 3440606, 5160909, 6881212, 10321818, 20643636]

約数ペア:

[(1, 20643636), (2, 10321818), (3, 6881212), (4, 5160909), (6, 3440606), (12, 1720303), (13, 1587972), (26, 793986), (39, 529324), (52, 396993), (78, 264662), (156, 132331)]