20454060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1863

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 45735252

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1823, 1870, 2244, 2805, 3646, 3740, 5469, 5610, 7292, 9115, 10938, 11220, 18230, 20053, 21876, 27345, 30991, 36460, 40106, 54690, 60159, 61982, 80212, 92973, 100265, 109380, 120318, 123964, 154955, 185946, 200530, 240636, 300795, 309910, 340901, 371892, 401060, 464865, 601590, 619820, 681802, 929730, 1022703, 1203180, 1363604, 1704505, 1859460, 2045406, 3409010, 4090812, 5113515, 6818020, 10227030, 20454060]

約数ペア:

[(1, 20454060), (2, 10227030), (3, 6818020), (4, 5113515), (5, 4090812), (6, 3409010), (10, 2045406), (11, 1859460), (12, 1704505), (15, 1363604), (17, 1203180), (20, 1022703), (22, 929730), (30, 681802), (33, 619820), (34, 601590), (44, 464865), (51, 401060), (55, 371892), (60, 340901), (66, 309910), (68, 300795), (85, 240636), (102, 200530), (110, 185946), (132, 154955), (165, 123964), (170, 120318), (187, 109380), (204, 100265), (220, 92973), (255, 80212), (330, 61982), (340, 60159), (374, 54690), (510, 40106), (561, 36460), (660, 30991), (748, 27345), (935, 21876), (1020, 20053), (1122, 18230), (1823, 11220), (1870, 10938), (2244, 9115), (2805, 7292), (3646, 5610), (3740, 5469)]