20565854888

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{3581}}^1\times {\mathrm{10111}}^1$

素因数の和:13769

約数の個数: 32

約数和(自身を含む): 39118878720

約数和(自身を除く): 18553023832

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 3581, 7162, 10111, 14324, 20222, 28648, 40444, 80888, 254251, 508502, 717881, 1017004, 1435762, 2034008, 2871524, 5743048, 36207491, 72414982, 144829964, 289659928, 2570731861, 5141463722, 10282927444, 20565854888]

約数ペア:

[(1, 20565854888), (2, 10282927444), (4, 5141463722), (8, 2570731861), (71, 289659928), (142, 144829964), (284, 72414982), (568, 36207491), (3581, 5743048), (7162, 2871524), (10111, 2034008), (14324, 1435762), (20222, 1017004), (28648, 717881), (40444, 508502), (80888, 254251)]