20186740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7589}}^1$

素因数の和:7624

約数の個数: 48

約数和(自身を含む): 51004800

約数和(自身を除く): 30818060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7589, 15178, 30356, 37945, 53123, 75890, 106246, 144191, 151780, 212492, 265615, 288382, 531230, 576764, 720955, 1009337, 1062460, 1441910, 2018674, 2883820, 4037348, 5046685, 10093370, 20186740]

約数ペア:

[(1, 20186740), (2, 10093370), (4, 5046685), (5, 4037348), (7, 2883820), (10, 2018674), (14, 1441910), (19, 1062460), (20, 1009337), (28, 720955), (35, 576764), (38, 531230), (70, 288382), (76, 265615), (95, 212492), (133, 151780), (140, 144191), (190, 106246), (266, 75890), (380, 53123), (532, 37945), (665, 30356), (1330, 15178), (2660, 7589)]