16661920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9467}}^1$

素因数の和:9493

約数の個数: 48

約数和(自身を含む): 42946848

約数和(自身を除く): 26284928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 9467, 18934, 37868, 47335, 75736, 94670, 104137, 151472, 189340, 208274, 302944, 378680, 416548, 520685, 757360, 833096, 1041370, 1514720, 1666192, 2082740, 3332384, 4165480, 8330960, 16661920]

約数ペア:

[(1, 16661920), (2, 8330960), (4, 4165480), (5, 3332384), (8, 2082740), (10, 1666192), (11, 1514720), (16, 1041370), (20, 833096), (22, 757360), (32, 520685), (40, 416548), (44, 378680), (55, 302944), (80, 208274), (88, 189340), (110, 151472), (160, 104137), (176, 94670), (220, 75736), (352, 47335), (440, 37868), (880, 18934), (1760, 9467)]