20193889240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{214009}}^1$

素因数の和:214364

約数の個数: 64

約数和(自身を含む): 52081473600

約数和(自身を除く): 31887584360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2359, 2696, 3370, 4718, 6740, 9436, 11795, 13480, 18872, 23590, 47180, 94360, 214009, 428018, 856036, 1070045, 1498063, 1712072, 2140090, 2996126, 4280180, 5992252, 7490315, 8560360, 11984504, 14980630, 29961260, 59922520, 72121033, 144242066, 288484132, 360605165, 504847231, 576968264, 721210330, 1009694462, 1442420660, 2019388924, 2524236155, 2884841320, 4038777848, 5048472310, 10096944620, 20193889240]

約数ペア:

[(1, 20193889240), (2, 10096944620), (4, 5048472310), (5, 4038777848), (7, 2884841320), (8, 2524236155), (10, 2019388924), (14, 1442420660), (20, 1009694462), (28, 721210330), (35, 576968264), (40, 504847231), (56, 360605165), (70, 288484132), (140, 144242066), (280, 72121033), (337, 59922520), (674, 29961260), (1348, 14980630), (1685, 11984504), (2359, 8560360), (2696, 7490315), (3370, 5992252), (4718, 4280180), (6740, 2996126), (9436, 2140090), (11795, 1712072), (13480, 1498063), (18872, 1070045), (23590, 856036), (47180, 428018), (94360, 214009)]