20125939575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{935003}}^1$

素因数の和:935064

約数の個数: 48

約数和(自身を含む): 38956006656

約数和(自身を除く): 18830067081

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 175, 205, 287, 525, 615, 861, 1025, 1435, 3075, 4305, 7175, 21525, 935003, 2805009, 4675015, 6545021, 14025045, 19635063, 23375075, 32725105, 38335123, 70125225, 98175315, 115005369, 163625525, 191675615, 268345861, 490876575, 575026845, 805037583, 958378075, 1341729305, 2875134225, 4025187915, 6708646525, 20125939575]

約数ペア:

[(1, 20125939575), (3, 6708646525), (5, 4025187915), (7, 2875134225), (15, 1341729305), (21, 958378075), (25, 805037583), (35, 575026845), (41, 490876575), (75, 268345861), (105, 191675615), (123, 163625525), (175, 115005369), (205, 98175315), (287, 70125225), (525, 38335123), (615, 32725105), (861, 23375075), (1025, 19635063), (1435, 14025045), (3075, 6545021), (4305, 4675015), (7175, 2805009), (21525, 935003)]