20901536

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{1597}}^1$

素因数の和:2016

約数の個数: 24

約数和(自身を含む): 41276340

約数和(自身を除く): 20374804

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 1597, 1636, 3194, 3272, 6388, 6544, 12776, 13088, 25552, 51104, 653173, 1306346, 2612692, 5225384, 10450768, 20901536]

約数ペア:

[(1, 20901536), (2, 10450768), (4, 5225384), (8, 2612692), (16, 1306346), (32, 653173), (409, 51104), (818, 25552), (1597, 13088), (1636, 12776), (3194, 6544), (3272, 6388)]