20185750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6211}}^1$

素因数の和:6241

約数の個数: 32

約数和(自身を含む): 40701024

約数和(自身を除く): 20515274

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6211, 12422, 31055, 62110, 80743, 155275, 161486, 310550, 403715, 776375, 807430, 1552750, 2018575, 4037150, 10092875, 20185750]

約数ペア:

[(1, 20185750), (2, 10092875), (5, 4037150), (10, 2018575), (13, 1552750), (25, 807430), (26, 776375), (50, 403715), (65, 310550), (125, 161486), (130, 155275), (250, 80743), (325, 62110), (650, 31055), (1625, 12422), (3250, 6211)]