20121810888

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1\times {\mathrm{3581}}^1$

素因数の和:4758

約数の個数: 64

約数和(自身を含む): 50569816320

約数和(自身を除く): 30448005432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 911, 1028, 1542, 1822, 2056, 2733, 3084, 3581, 3644, 5466, 6168, 7162, 7288, 10743, 10932, 14324, 21486, 21864, 28648, 42972, 85944, 234127, 468254, 702381, 920317, 936508, 1404762, 1840634, 1873016, 2760951, 2809524, 3262291, 3681268, 5521902, 5619048, 6524582, 7362536, 9786873, 11043804, 13049164, 19573746, 22087608, 26098328, 39147492, 78294984, 838408787, 1676817574, 2515226361, 3353635148, 5030452722, 6707270296, 10060905444, 20121810888]

約数ペア:

[(1, 20121810888), (2, 10060905444), (3, 6707270296), (4, 5030452722), (6, 3353635148), (8, 2515226361), (12, 1676817574), (24, 838408787), (257, 78294984), (514, 39147492), (771, 26098328), (911, 22087608), (1028, 19573746), (1542, 13049164), (1822, 11043804), (2056, 9786873), (2733, 7362536), (3084, 6524582), (3581, 5619048), (3644, 5521902), (5466, 3681268), (6168, 3262291), (7162, 2809524), (7288, 2760951), (10743, 1873016), (10932, 1840634), (14324, 1404762), (21486, 936508), (21864, 920317), (28648, 702381), (42972, 468254), (85944, 234127)]