20244877375

素因数分解:

$5^3\times {\mathrm{197}}^1\times {\mathrm{653}}^1\times {\mathrm{1259}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 25452947520

約数和(自身を除く): 5208070145

約数列:

[1, 5, 25, 125, 197, 653, 985, 1259, 3265, 4925, 6295, 16325, 24625, 31475, 81625, 128641, 157375, 248023, 643205, 822127, 1240115, 3216025, 4110635, 6200575, 16080125, 20553175, 31002875, 102765875, 161959019, 809795095, 4048975475, 20244877375]

約数ペア:

[(1, 20244877375), (5, 4048975475), (25, 809795095), (125, 161959019), (197, 102765875), (653, 31002875), (985, 20553175), (1259, 16080125), (3265, 6200575), (4925, 4110635), (6295, 3216025), (16325, 1240115), (24625, 822127), (31475, 643205), (81625, 248023), (128641, 157375)]