20120123044

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{749297}}^1$

素因数の和:749452

約数の個数: 36

約数和(自身を含む): 41257846476

約数和(自身を除く): 21137723432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1918, 3836, 6713, 13426, 26852, 749297, 1498594, 2997188, 5245079, 10490158, 20980316, 36715553, 73431106, 102653689, 146862212, 205307378, 410614756, 718575823, 1437151646, 2874303292, 5030030761, 10060061522, 20120123044]

約数ペア:

[(1, 20120123044), (2, 10060061522), (4, 5030030761), (7, 2874303292), (14, 1437151646), (28, 718575823), (49, 410614756), (98, 205307378), (137, 146862212), (196, 102653689), (274, 73431106), (548, 36715553), (959, 20980316), (1918, 10490158), (3836, 5245079), (6713, 2997188), (13426, 1498594), (26852, 749297)]