20512125205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1\times {\mathrm{23887}}^1$

素因数の和:25117

約数の個数: 32

約数和(自身を含む): 28943083008

約数和(自身を除く): 8430957803

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1201, 6005, 13211, 15613, 23887, 66055, 78065, 119435, 171743, 262757, 310531, 858715, 1313785, 1552655, 3415841, 17079205, 28688287, 143441435, 315571157, 372947731, 1577855785, 1864738655, 4102425041, 20512125205]

約数ペア:

[(1, 20512125205), (5, 4102425041), (11, 1864738655), (13, 1577855785), (55, 372947731), (65, 315571157), (143, 143441435), (715, 28688287), (1201, 17079205), (6005, 3415841), (13211, 1552655), (15613, 1313785), (23887, 858715), (66055, 310531), (78065, 262757), (119435, 171743)]