13899880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20441}}^1$

素因数の和:20469

約数の個数: 32

約数和(自身を含む): 33116040

約数和(自身を除く): 19216160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20441, 40882, 81764, 102205, 163528, 204410, 347497, 408820, 694994, 817640, 1389988, 1737485, 2779976, 3474970, 6949940, 13899880]

約数ペア:

[(1, 13899880), (2, 6949940), (4, 3474970), (5, 2779976), (8, 1737485), (10, 1389988), (17, 817640), (20, 694994), (34, 408820), (40, 347497), (68, 204410), (85, 163528), (136, 102205), (170, 81764), (340, 40882), (680, 20441)]