20165759990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^2$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 37019157840

約数和(自身を除く): 16853397850

約数列:

[1, 2, 5, 10, 101, 139, 202, 278, 379, 505, 695, 758, 1010, 1390, 1895, 3790, 14039, 28078, 38279, 52681, 70195, 76558, 105362, 140390, 143641, 191395, 263405, 287282, 382790, 526810, 718205, 1436410, 5320781, 10641562, 14507741, 19966099, 26603905, 29015482, 39932198, 53207810, 72538705, 99830495, 145077410, 199660990, 2016575999, 4033151998, 10082879995, 20165759990]

約数ペア:

[(1, 20165759990), (2, 10082879995), (5, 4033151998), (10, 2016575999), (101, 199660990), (139, 145077410), (202, 99830495), (278, 72538705), (379, 53207810), (505, 39932198), (695, 29015482), (758, 26603905), (1010, 19966099), (1390, 14507741), (1895, 10641562), (3790, 5320781), (14039, 1436410), (28078, 718205), (38279, 526810), (52681, 382790), (70195, 287282), (76558, 263405), (105362, 191395), (140390, 143641)]