20973302

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 38887680

約数和(自身を除く): 17914378

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2131, 4262, 4921, 9842, 14917, 29834, 40489, 78847, 80978, 157694, 283423, 551929, 566846, 1103858, 1498093, 2996186, 10486651, 20973302]

約数ペア:

[(1, 20973302), (2, 10486651), (7, 2996186), (14, 1498093), (19, 1103858), (37, 566846), (38, 551929), (74, 283423), (133, 157694), (259, 80978), (266, 78847), (518, 40489), (703, 29834), (1406, 14917), (2131, 9842), (4262, 4921)]