20207260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 45793440

約数和(自身を除く): 25586180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1297, 1558, 2594, 3116, 3895, 5188, 6485, 7790, 12970, 15580, 24643, 25940, 49286, 53177, 98572, 106354, 123215, 212708, 246430, 265885, 492860, 531770, 1010363, 1063540, 2020726, 4041452, 5051815, 10103630, 20207260]

約数ペア:

[(1, 20207260), (2, 10103630), (4, 5051815), (5, 4041452), (10, 2020726), (19, 1063540), (20, 1010363), (38, 531770), (41, 492860), (76, 265885), (82, 246430), (95, 212708), (164, 123215), (190, 106354), (205, 98572), (380, 53177), (410, 49286), (779, 25940), (820, 24643), (1297, 15580), (1558, 12970), (2594, 7790), (3116, 6485), (3895, 5188)]