20291238474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1\times {\mathrm{5923}}^1$

素因数の和:6371

約数の個数: 64

約数和(自身を含む): 44140529664

約数和(自身を除く): 23849291190

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 167, 263, 334, 501, 526, 789, 1002, 1578, 2171, 3419, 4342, 5923, 6513, 6838, 10257, 11846, 13026, 17769, 20514, 35538, 43921, 76999, 87842, 131763, 153998, 230997, 263526, 461994, 570973, 989141, 1141946, 1557749, 1712919, 1978282, 2967423, 3115498, 3425838, 4673247, 5934846, 9346494, 12858833, 20250737, 25717666, 38576499, 40501474, 60752211, 77152998, 121504422, 260144083, 520288166, 780432249, 1560864498, 3381873079, 6763746158, 10145619237, 20291238474]

約数ペア:

[(1, 20291238474), (2, 10145619237), (3, 6763746158), (6, 3381873079), (13, 1560864498), (26, 780432249), (39, 520288166), (78, 260144083), (167, 121504422), (263, 77152998), (334, 60752211), (501, 40501474), (526, 38576499), (789, 25717666), (1002, 20250737), (1578, 12858833), (2171, 9346494), (3419, 5934846), (4342, 4673247), (5923, 3425838), (6513, 3115498), (6838, 2967423), (10257, 1978282), (11846, 1712919), (13026, 1557749), (17769, 1141946), (20514, 989141), (35538, 570973), (43921, 461994), (76999, 263526), (87842, 230997), (131763, 153998)]