20732874575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{64283}}^1$

素因数の和:64416

約数の個数: 48

約数和(自身を含む): 31247166720

約数和(自身を除く): 10514292145

約数列:

[1, 5, 7, 19, 25, 35, 95, 97, 133, 175, 475, 485, 665, 679, 1843, 2425, 3325, 3395, 9215, 12901, 16975, 46075, 64283, 64505, 321415, 322525, 449981, 1221377, 1607075, 2249905, 6106885, 6235451, 8549639, 11249525, 30534425, 31177255, 42748195, 43648157, 118473569, 155886275, 213740975, 218240785, 592367845, 829314983, 1091203925, 2961839225, 4146574915, 20732874575]

約数ペア:

[(1, 20732874575), (5, 4146574915), (7, 2961839225), (19, 1091203925), (25, 829314983), (35, 592367845), (95, 218240785), (97, 213740975), (133, 155886275), (175, 118473569), (475, 43648157), (485, 42748195), (665, 31177255), (679, 30534425), (1843, 11249525), (2425, 8549639), (3325, 6235451), (3395, 6106885), (9215, 2249905), (12901, 1607075), (16975, 1221377), (46075, 449981), (64283, 322525), (64505, 321415)]