20621408

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37907}}^1$

素因数の和:37934

約数の個数: 24

約数和(自身を含む): 42987672

約数和(自身を除く): 22366264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37907, 75814, 151628, 303256, 606512, 644419, 1213024, 1288838, 2577676, 5155352, 10310704, 20621408]

約数ペア:

[(1, 20621408), (2, 10310704), (4, 5155352), (8, 2577676), (16, 1288838), (17, 1213024), (32, 644419), (34, 606512), (68, 303256), (136, 151628), (272, 75814), (544, 37907)]