20154288959

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{6691}}^1$

素因数の和:7127

約数の個数: 32

約数和(自身を含む): 24561460224

約数和(自身を除く): 4407171265

約数列:

[1, 7, 23, 53, 161, 353, 371, 1219, 2471, 6691, 8119, 8533, 18709, 46837, 56833, 130963, 153893, 354623, 430307, 1077251, 2361923, 2482361, 3012149, 8156329, 16533461, 54324229, 57094303, 125181919, 380269603, 876273433, 2879184137, 20154288959]

約数ペア:

[(1, 20154288959), (7, 2879184137), (23, 876273433), (53, 380269603), (161, 125181919), (353, 57094303), (371, 54324229), (1219, 16533461), (2471, 8156329), (6691, 3012149), (8119, 2482361), (8533, 2361923), (18709, 1077251), (46837, 430307), (56833, 354623), (130963, 153893)]