20128513285

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{3119}}^1\times {\mathrm{44507}}^1$

素因数の和:47660

約数の個数: 16

約数和(自身を含む): 24995692800

約数和(自身を除く): 4867179515

約数列:

[1, 5, 29, 145, 3119, 15595, 44507, 90451, 222535, 452255, 1290703, 6453515, 138817333, 694086665, 4025702657, 20128513285]

約数ペア:

[(1, 20128513285), (5, 4025702657), (29, 694086665), (145, 138817333), (3119, 6453515), (15595, 1290703), (44507, 452255), (90451, 222535)]