20403955254

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{778361}}^1$

素因数の和:778640

約数の個数: 32

約数和(自身を含む): 43376557536

約数和(自身を除く): 22972602282

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 257, 514, 771, 1542, 4369, 8738, 13107, 26214, 778361, 1556722, 2335083, 4670166, 13232137, 26464274, 39696411, 79392822, 200038777, 400077554, 600116331, 1200232662, 3400659209, 6801318418, 10201977627, 20403955254]

約数ペア:

[(1, 20403955254), (2, 10201977627), (3, 6801318418), (6, 3400659209), (17, 1200232662), (34, 600116331), (51, 400077554), (102, 200038777), (257, 79392822), (514, 39696411), (771, 26464274), (1542, 13232137), (4369, 4670166), (8738, 2335083), (13107, 1556722), (26214, 778361)]