20657250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{9181}}^1$

素因数の和:9204

約数の個数: 48

約数和(自身を含む): 55863288

約数和(自身を除く): 35206038

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 9181, 18362, 27543, 45905, 55086, 82629, 91810, 137715, 165258, 229525, 275430, 413145, 459050, 688575, 826290, 1147625, 1377150, 2065725, 2295250, 3442875, 4131450, 6885750, 10328625, 20657250]

約数ペア:

[(1, 20657250), (2, 10328625), (3, 6885750), (5, 4131450), (6, 3442875), (9, 2295250), (10, 2065725), (15, 1377150), (18, 1147625), (25, 826290), (30, 688575), (45, 459050), (50, 413145), (75, 275430), (90, 229525), (125, 165258), (150, 137715), (225, 91810), (250, 82629), (375, 55086), (450, 45905), (750, 27543), (1125, 18362), (2250, 9181)]