20121664108

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{39233}}^1$

素因数の和:40666

約数の個数: 48

約数和(自身を含む): 43370832960

約数和(自身を除く): 23249168852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1409, 2818, 5636, 9863, 18317, 19726, 36634, 39233, 39452, 73268, 78466, 128219, 156932, 256438, 274631, 510029, 512876, 549262, 1020058, 1098524, 2040116, 3570203, 7140406, 14280812, 55279297, 110558594, 221117188, 386955079, 718630861, 773910158, 1437261722, 1547820316, 2874523444, 5030416027, 10060832054, 20121664108]

約数ペア:

[(1, 20121664108), (2, 10060832054), (4, 5030416027), (7, 2874523444), (13, 1547820316), (14, 1437261722), (26, 773910158), (28, 718630861), (52, 386955079), (91, 221117188), (182, 110558594), (364, 55279297), (1409, 14280812), (2818, 7140406), (5636, 3570203), (9863, 2040116), (18317, 1098524), (19726, 1020058), (36634, 549262), (39233, 512876), (39452, 510029), (73268, 274631), (78466, 256438), (128219, 156932)]