20219211088

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8049049}}^1$

素因数の和:8049214

約数の個数: 20

約数和(自身を含む): 39424246900

約数和(自身を除く): 19205035812

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8049049, 16098098, 32196196, 64392392, 128784784, 1263700693, 2527401386, 5054802772, 10109605544, 20219211088]

約数ペア:

[(1, 20219211088), (2, 10109605544), (4, 5054802772), (8, 2527401386), (16, 1263700693), (157, 128784784), (314, 64392392), (628, 32196196), (1256, 16098098), (2512, 8049049)]