20810368

素因数分解:

$2^7\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 41664960

約数和(自身を除く): 20854592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 367, 443, 734, 886, 1468, 1772, 2936, 3544, 5872, 7088, 11744, 14176, 23488, 28352, 46976, 56704, 162581, 325162, 650324, 1300648, 2601296, 5202592, 10405184, 20810368]

約数ペア:

[(1, 20810368), (2, 10405184), (4, 5202592), (8, 2601296), (16, 1300648), (32, 650324), (64, 325162), (128, 162581), (367, 56704), (443, 46976), (734, 28352), (886, 23488), (1468, 14176), (1772, 11744), (2936, 7088), (3544, 5872)]