20047586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4457}}^1$

素因数の和:4645

約数の個数: 16

約数和(自身を含む): 32579064

約数和(自身を除く): 12531478

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4457, 4498, 8914, 57941, 115882, 771061, 1542122, 10023793, 20047586]

約数ペア:

[(1, 20047586), (2, 10023793), (13, 1542122), (26, 771061), (173, 115882), (346, 57941), (2249, 8914), (4457, 4498)]