20212553620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4513}}^1\times {\mathrm{31991}}^1$

素因数の和:36520

約数の個数: 48

約数和(自身を含む): 48522394368

約数和(自身を除く): 28309840748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4513, 9026, 18052, 22565, 31591, 31991, 45130, 63182, 63982, 90260, 126364, 127964, 157955, 159955, 223937, 315910, 319910, 447874, 631820, 639820, 895748, 1119685, 2239370, 4478740, 144375383, 288750766, 577501532, 721876915, 1010627681, 1443753830, 2021255362, 2887507660, 4042510724, 5053138405, 10106276810, 20212553620]

約数ペア:

[(1, 20212553620), (2, 10106276810), (4, 5053138405), (5, 4042510724), (7, 2887507660), (10, 2021255362), (14, 1443753830), (20, 1010627681), (28, 721876915), (35, 577501532), (70, 288750766), (140, 144375383), (4513, 4478740), (9026, 2239370), (18052, 1119685), (22565, 895748), (31591, 639820), (31991, 631820), (45130, 447874), (63182, 319910), (63982, 315910), (90260, 223937), (126364, 159955), (127964, 157955)]