20965125

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14887419

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 555, 925, 1511, 2775, 4533, 4625, 7555, 13875, 22665, 37775, 55907, 113325, 167721, 188875, 279535, 566625, 838605, 1397675, 4193025, 6988375, 20965125]

約数ペア:

[(1, 20965125), (3, 6988375), (5, 4193025), (15, 1397675), (25, 838605), (37, 566625), (75, 279535), (111, 188875), (125, 167721), (185, 113325), (375, 55907), (555, 37775), (925, 22665), (1511, 13875), (2775, 7555), (4533, 4625)]