20147867568

素因数分解:

$2^4\times 3^2\times {\mathrm{277}}^1\times {\mathrm{505111}}^1$

素因数の和:505402

約数の個数: 60

約数和(自身を含む): 56589717808

約数和(自身を除く): 36441850240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 277, 554, 831, 1108, 1662, 2216, 2493, 3324, 4432, 4986, 6648, 9972, 13296, 19944, 39888, 505111, 1010222, 1515333, 2020444, 3030666, 4040888, 4545999, 6061332, 8081776, 9091998, 12122664, 18183996, 24245328, 36367992, 72735984, 139915747, 279831494, 419747241, 559662988, 839494482, 1119325976, 1259241723, 1678988964, 2238651952, 2518483446, 3357977928, 5036966892, 6715955856, 10073933784, 20147867568]

約数ペア:

[(1, 20147867568), (2, 10073933784), (3, 6715955856), (4, 5036966892), (6, 3357977928), (8, 2518483446), (9, 2238651952), (12, 1678988964), (16, 1259241723), (18, 1119325976), (24, 839494482), (36, 559662988), (48, 419747241), (72, 279831494), (144, 139915747), (277, 72735984), (554, 36367992), (831, 24245328), (1108, 18183996), (1662, 12122664), (2216, 9091998), (2493, 8081776), (3324, 6061332), (4432, 4545999), (4986, 4040888), (6648, 3030666), (9972, 2020444), (13296, 1515333), (19944, 1010222), (39888, 505111)]