20556544

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1436

約数の個数: 36

約数和(自身を含む): 41758920

約数和(自身を除く): 21202376

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1361, 1888, 2722, 3776, 5444, 7552, 10888, 15104, 21776, 43552, 80299, 87104, 160598, 174208, 321196, 348416, 642392, 1284784, 2569568, 5139136, 10278272, 20556544]

約数ペア:

[(1, 20556544), (2, 10278272), (4, 5139136), (8, 2569568), (16, 1284784), (32, 642392), (59, 348416), (64, 321196), (118, 174208), (128, 160598), (236, 87104), (256, 80299), (472, 43552), (944, 21776), (1361, 15104), (1888, 10888), (2722, 7552), (3776, 5444)]