20218481868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{24977}}^1\times {\mathrm{5189}}^1$

素因数の和:30186

約数の個数: 48

約数和(自身を含む): 50817241440

約数和(自身を除く): 30598759572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 5189, 10378, 15567, 20756, 24977, 31134, 49954, 62268, 67457, 74931, 99908, 134914, 149862, 202371, 269828, 299724, 324701, 404742, 649402, 809484, 974103, 1298804, 1948206, 3896412, 129605653, 259211306, 388816959, 518422612, 777633918, 1555267836, 1684873489, 3369746978, 5054620467, 6739493956, 10109240934, 20218481868]

約数ペア:

[(1, 20218481868), (2, 10109240934), (3, 6739493956), (4, 5054620467), (6, 3369746978), (12, 1684873489), (13, 1555267836), (26, 777633918), (39, 518422612), (52, 388816959), (78, 259211306), (156, 129605653), (5189, 3896412), (10378, 1948206), (15567, 1298804), (20756, 974103), (24977, 809484), (31134, 649402), (49954, 404742), (62268, 324701), (67457, 299724), (74931, 269828), (99908, 202371), (134914, 149862)]