20952580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95239}}^1$

素因数の和:95259

約数の個数: 24

約数和(自身を含む): 48000960

約数和(自身を除く): 27048380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95239, 190478, 380956, 476195, 952390, 1047629, 1904780, 2095258, 4190516, 5238145, 10476290, 20952580]

約数ペア:

[(1, 20952580), (2, 10476290), (4, 5238145), (5, 4190516), (10, 2095258), (11, 1904780), (20, 1047629), (22, 952390), (44, 476195), (55, 380956), (110, 190478), (220, 95239)]