20658619814

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2173219}}^1$

素因数の和:2173332

約数の個数: 24

約数和(自身を含む): 36418820760

約数和(自身を除く): 15760200946

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 4753, 9506, 2173219, 4346438, 15212533, 30425066, 106487731, 210802243, 212975462, 421604486, 1475615701, 2951231402, 10329309907, 20658619814]

約数ペア:

[(1, 20658619814), (2, 10329309907), (7, 2951231402), (14, 1475615701), (49, 421604486), (97, 212975462), (98, 210802243), (194, 106487731), (679, 30425066), (1358, 15212533), (4753, 4346438), (9506, 2173219)]