20828060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5569}}^1$

素因数の和:5606

約数の個数: 48

約数和(自身を含む): 50531040

約数和(自身を除く): 29702980

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5569, 11138, 22276, 27845, 55690, 61259, 94673, 111380, 122518, 189346, 245036, 306295, 378692, 473365, 612590, 946730, 1041403, 1225180, 1893460, 2082806, 4165612, 5207015, 10414030, 20828060]

約数ペア:

[(1, 20828060), (2, 10414030), (4, 5207015), (5, 4165612), (10, 2082806), (11, 1893460), (17, 1225180), (20, 1041403), (22, 946730), (34, 612590), (44, 473365), (55, 378692), (68, 306295), (85, 245036), (110, 189346), (170, 122518), (187, 111380), (220, 94673), (340, 61259), (374, 55690), (748, 27845), (935, 22276), (1870, 11138), (3740, 5569)]