20468366906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{108421}}^1$

素因数の和:108626

約数の個数: 32

約数和(自身を含む): 33934351248

約数和(自身を除く): 13465984342

約数列:

[1, 2, 13, 26, 53, 106, 137, 274, 689, 1378, 1781, 3562, 7261, 14522, 94393, 108421, 188786, 216842, 1409473, 2818946, 5746313, 11492626, 14853677, 29707354, 74702069, 149404138, 193097801, 386195602, 787244881, 1574489762, 10234183453, 20468366906]

約数ペア:

[(1, 20468366906), (2, 10234183453), (13, 1574489762), (26, 787244881), (53, 386195602), (106, 193097801), (137, 149404138), (274, 74702069), (689, 29707354), (1378, 14853677), (1781, 11492626), (3562, 5746313), (7261, 2818946), (14522, 1409473), (94393, 216842), (108421, 188786)]