20848360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40093}}^1$

素因数の和:40117

約数の個数: 32

約数和(自身を含む): 50518440

約数和(自身を除く): 29670080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 40093, 80186, 160372, 200465, 320744, 400930, 521209, 801860, 1042418, 1603720, 2084836, 2606045, 4169672, 5212090, 10424180, 20848360]

約数ペア:

[(1, 20848360), (2, 10424180), (4, 5212090), (5, 4169672), (8, 2606045), (10, 2084836), (13, 1603720), (20, 1042418), (26, 801860), (40, 521209), (52, 400930), (65, 320744), (104, 200465), (130, 160372), (260, 80186), (520, 40093)]