20372144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97943}}^1$

素因数の和:97964

約数の個数: 20

約数和(自身を含む): 42507696

約数和(自身を除く): 22135552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97943, 195886, 391772, 783544, 1273259, 1567088, 2546518, 5093036, 10186072, 20372144]

約数ペア:

[(1, 20372144), (2, 10186072), (4, 5093036), (8, 2546518), (13, 1567088), (16, 1273259), (26, 783544), (52, 391772), (104, 195886), (208, 97943)]