20145679975

素因数分解:

$5^2\times {\mathrm{619}}^1\times {\mathrm{1301821}}^1$

素因数の和:1302450

約数の個数: 12

約数和(自身を含む): 25021018840

約数和(自身を除く): 4875338865

約数列:

[1, 5, 25, 619, 3095, 15475, 1301821, 6509105, 32545525, 805827199, 4029135995, 20145679975]

約数ペア:

[(1, 20145679975), (5, 4029135995), (25, 805827199), (619, 32545525), (3095, 6509105), (15475, 1301821)]