20179590925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1\times {\mathrm{1453}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 27240562048

約数和(自身を除く): 7060971123

約数列:

[1, 5, 13, 25, 65, 151, 283, 325, 755, 1415, 1453, 1963, 3679, 3775, 7075, 7265, 9815, 18395, 18889, 36325, 42733, 49075, 91975, 94445, 213665, 219403, 411199, 472225, 555529, 1068325, 1097015, 2055995, 2777645, 2852239, 5345587, 5485075, 10279975, 13888225, 14261195, 26727935, 62091049, 71305975, 133639675, 310455245, 807183637, 1552276225, 4035918185, 20179590925]

約数ペア:

[(1, 20179590925), (5, 4035918185), (13, 1552276225), (25, 807183637), (65, 310455245), (151, 133639675), (283, 71305975), (325, 62091049), (755, 26727935), (1415, 14261195), (1453, 13888225), (1963, 10279975), (3679, 5485075), (3775, 5345587), (7075, 2852239), (7265, 2777645), (9815, 2055995), (18395, 1097015), (18889, 1068325), (36325, 555529), (42733, 472225), (49075, 411199), (91975, 219403), (94445, 213665)]