20123893452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{772451}}^1$

素因数の和:772638

約数の個数: 48

約数和(自身を含む): 50870598912

約数和(自身を除く): 30746705460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 167, 334, 501, 668, 1002, 2004, 2171, 4342, 6513, 8684, 13026, 26052, 772451, 1544902, 2317353, 3089804, 4634706, 9269412, 10041863, 20083726, 30125589, 40167452, 60251178, 120502356, 128999317, 257998634, 386997951, 515997268, 773995902, 1547991804, 1676991121, 3353982242, 5030973363, 6707964484, 10061946726, 20123893452]

約数ペア:

[(1, 20123893452), (2, 10061946726), (3, 6707964484), (4, 5030973363), (6, 3353982242), (12, 1676991121), (13, 1547991804), (26, 773995902), (39, 515997268), (52, 386997951), (78, 257998634), (156, 128999317), (167, 120502356), (334, 60251178), (501, 40167452), (668, 30125589), (1002, 20083726), (2004, 10041863), (2171, 9269412), (4342, 4634706), (6513, 3089804), (8684, 2317353), (13026, 1544902), (26052, 772451)]