20296520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17497}}^1$

素因数の和:17537

約数の個数: 32

約数和(自身を含む): 47244600

約数和(自身を除く): 26948080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17497, 34994, 69988, 87485, 139976, 174970, 349940, 507413, 699880, 1014826, 2029652, 2537065, 4059304, 5074130, 10148260, 20296520]

約数ペア:

[(1, 20296520), (2, 10148260), (4, 5074130), (5, 4059304), (8, 2537065), (10, 2029652), (20, 1014826), (29, 699880), (40, 507413), (58, 349940), (116, 174970), (145, 139976), (232, 87485), (290, 69988), (580, 34994), (1160, 17497)]