20158328

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8719}}^1$

素因数の和:8759

約数の個数: 24

約数和(自身を含む): 40155600

約数和(自身を除く): 19997272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8719, 17438, 34876, 69752, 148223, 296446, 592892, 1185784, 2519791, 5039582, 10079164, 20158328]

約数ペア:

[(1, 20158328), (2, 10079164), (4, 5039582), (8, 2519791), (17, 1185784), (34, 592892), (68, 296446), (136, 148223), (289, 69752), (578, 34876), (1156, 17438), (2312, 8719)]