20091789560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11681273}}^1$

素因数の和:11681327

約数の個数: 32

約数和(自身を含む): 46257845040

約数和(自身を除く): 26166055480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11681273, 23362546, 46725092, 58406365, 93450184, 116812730, 233625460, 467250920, 502294739, 1004589478, 2009178956, 2511473695, 4018357912, 5022947390, 10045894780, 20091789560]

約数ペア:

[(1, 20091789560), (2, 10045894780), (4, 5022947390), (5, 4018357912), (8, 2511473695), (10, 2009178956), (20, 1004589478), (40, 502294739), (43, 467250920), (86, 233625460), (172, 116812730), (215, 93450184), (344, 58406365), (430, 46725092), (860, 23362546), (1720, 11681273)]