20551740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31139}}^1$

素因数の和:31162

約数の個数: 48

約数和(自身を含む): 62778240

約数和(自身を除く): 42226500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31139, 62278, 93417, 124556, 155695, 186834, 311390, 342529, 373668, 467085, 622780, 685058, 934170, 1027587, 1370116, 1712645, 1868340, 2055174, 3425290, 4110348, 5137935, 6850580, 10275870, 20551740]

約数ペア:

[(1, 20551740), (2, 10275870), (3, 6850580), (4, 5137935), (5, 4110348), (6, 3425290), (10, 2055174), (11, 1868340), (12, 1712645), (15, 1370116), (20, 1027587), (22, 934170), (30, 685058), (33, 622780), (44, 467085), (55, 373668), (60, 342529), (66, 311390), (110, 186834), (132, 155695), (165, 124556), (220, 93417), (330, 62278), (660, 31139)]