20579934815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{86837}}^1$

素因数の和:87023

約数の個数: 32

約数和(自身を含む): 28010465280

約数和(自身を除く): 7430530465

約数列:

[1, 5, 11, 31, 55, 139, 155, 341, 695, 1529, 1705, 4309, 7645, 21545, 47399, 86837, 236995, 434185, 955207, 2691947, 4776035, 12070343, 13459735, 29611417, 60351715, 132773773, 148057085, 374180633, 663868865, 1870903165, 4115986963, 20579934815]

約数ペア:

[(1, 20579934815), (5, 4115986963), (11, 1870903165), (31, 663868865), (55, 374180633), (139, 148057085), (155, 132773773), (341, 60351715), (695, 29611417), (1529, 13459735), (1705, 12070343), (4309, 4776035), (7645, 2691947), (21545, 955207), (47399, 434185), (86837, 236995)]