20807597997

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{1877}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 31218670080

約数和(自身を除く): 10411072083

約数列:

[1, 3, 9, 47, 73, 141, 219, 359, 423, 657, 1077, 1877, 3231, 3431, 5631, 10293, 16873, 16893, 26207, 30879, 50619, 78621, 88219, 137021, 151857, 235863, 264657, 411063, 673843, 793971, 1231729, 1233189, 2021529, 3695187, 6064587, 6439987, 11085561, 19319961, 31670621, 49190539, 57959883, 95011863, 147571617, 285035589, 442714851, 2311955333, 6935865999, 20807597997]

約数ペア:

[(1, 20807597997), (3, 6935865999), (9, 2311955333), (47, 442714851), (73, 285035589), (141, 147571617), (219, 95011863), (359, 57959883), (423, 49190539), (657, 31670621), (1077, 19319961), (1877, 11085561), (3231, 6439987), (3431, 6064587), (5631, 3695187), (10293, 2021529), (16873, 1233189), (16893, 1231729), (26207, 793971), (30879, 673843), (50619, 411063), (78621, 264657), (88219, 235863), (137021, 151857)]