20236450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 40997376

約数和(自身を除く): 20760926

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 191, 325, 326, 382, 650, 815, 955, 1630, 1910, 2119, 2483, 4075, 4238, 4775, 4966, 8150, 9550, 10595, 12415, 21190, 24830, 31133, 52975, 62075, 62266, 105950, 124150, 155665, 311330, 404729, 778325, 809458, 1556650, 2023645, 4047290, 10118225, 20236450]

約数ペア:

[(1, 20236450), (2, 10118225), (5, 4047290), (10, 2023645), (13, 1556650), (25, 809458), (26, 778325), (50, 404729), (65, 311330), (130, 155665), (163, 124150), (191, 105950), (325, 62266), (326, 62075), (382, 52975), (650, 31133), (815, 24830), (955, 21190), (1630, 12415), (1910, 10595), (2119, 9550), (2483, 8150), (4075, 4966), (4238, 4775)]