20913003

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1$

素因数の和:3319

約数の個数: 24

約数和(自身を含む): 32547840

約数和(自身を除く): 11634837

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3259, 6417, 9777, 29331, 74957, 101029, 224871, 303087, 674613, 909261, 2323667, 6971001, 20913003]

約数ペア:

[(1, 20913003), (3, 6971001), (9, 2323667), (23, 909261), (31, 674613), (69, 303087), (93, 224871), (207, 101029), (279, 74957), (713, 29331), (2139, 9777), (3259, 6417)]