20808212648

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{2267}}^1\times {\mathrm{2281}}^1$

素因数の和:5057

約数の個数: 32

約数和(自身を含む): 39127354560

約数和(自身を除く): 18319141912

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 2267, 2281, 4024, 4534, 4562, 9068, 9124, 18136, 18248, 1140301, 1147343, 2280602, 2294686, 4561204, 4589372, 5171027, 9122408, 9178744, 10342054, 20684108, 41368216, 2601026581, 5202053162, 10404106324, 20808212648]

約数ペア:

[(1, 20808212648), (2, 10404106324), (4, 5202053162), (8, 2601026581), (503, 41368216), (1006, 20684108), (2012, 10342054), (2267, 9178744), (2281, 9122408), (4024, 5171027), (4534, 4589372), (4562, 4561204), (9068, 2294686), (9124, 2280602), (18136, 1147343), (18248, 1140301)]