20401888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49043}}^1$

素因数の和:49066

約数の個数: 24

約数和(自身を含む): 43256808

約数和(自身を除く): 22854920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49043, 98086, 196172, 392344, 637559, 784688, 1275118, 1569376, 2550236, 5100472, 10200944, 20401888]

約数ペア:

[(1, 20401888), (2, 10200944), (4, 5100472), (8, 2550236), (13, 1569376), (16, 1275118), (26, 784688), (32, 637559), (52, 392344), (104, 196172), (208, 98086), (416, 49043)]