20404352

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9377}}^1$

素因数の和:9408

約数の個数: 32

約数和(自身を含む): 43045020

約数和(自身を除く): 22640668

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9377, 18754, 37508, 75016, 150032, 159409, 300064, 318818, 600128, 637636, 1200256, 1275272, 2550544, 5101088, 10202176, 20404352]

約数ペア:

[(1, 20404352), (2, 10202176), (4, 5101088), (8, 2550544), (16, 1275272), (17, 1200256), (32, 637636), (34, 600128), (64, 318818), (68, 300064), (128, 159409), (136, 150032), (272, 75016), (544, 37508), (1088, 18754), (2176, 9377)]