20362875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4208

約数の個数: 32

約数和(自身を含む): 36499008

約数和(自身を除く): 16136133

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4177, 4875, 12531, 20885, 54301, 62655, 104425, 162903, 271505, 313275, 522125, 814515, 1357525, 1566375, 4072575, 6787625, 20362875]

約数ペア:

[(1, 20362875), (3, 6787625), (5, 4072575), (13, 1566375), (15, 1357525), (25, 814515), (39, 522125), (65, 313275), (75, 271505), (125, 162903), (195, 104425), (325, 62655), (375, 54301), (975, 20885), (1625, 12531), (4177, 4875)]