20123362792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1\times {\mathrm{2713}}^1$

素因数の和:3782

約数の個数: 64

約数和(自身を含む): 41247697680

約数和(自身を除く): 21124334888

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 977, 1898, 1954, 2713, 3796, 3908, 5426, 7592, 7816, 10852, 12701, 21704, 25402, 35269, 50804, 70538, 71321, 101608, 141076, 142642, 198049, 282152, 285284, 396098, 570568, 792196, 927173, 1584392, 1854346, 2574637, 2650601, 3708692, 5149274, 5301202, 7417384, 10298548, 10602404, 20597096, 21204808, 34457813, 68915626, 137831252, 193493873, 275662504, 386987746, 773975492, 1547950984, 2515420349, 5030840698, 10061681396, 20123362792]

約数ペア:

[(1, 20123362792), (2, 10061681396), (4, 5030840698), (8, 2515420349), (13, 1547950984), (26, 773975492), (52, 386987746), (73, 275662504), (104, 193493873), (146, 137831252), (292, 68915626), (584, 34457813), (949, 21204808), (977, 20597096), (1898, 10602404), (1954, 10298548), (2713, 7417384), (3796, 5301202), (3908, 5149274), (5426, 3708692), (7592, 2650601), (7816, 2574637), (10852, 1854346), (12701, 1584392), (21704, 927173), (25402, 792196), (35269, 570568), (50804, 396098), (70538, 285284), (71321, 282152), (101608, 198049), (141076, 142642)]