20174440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3527}}^1$

素因数の和:3562

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 33168920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3527, 5720, 7054, 14108, 17635, 28216, 35270, 38797, 45851, 70540, 77594, 91702, 141080, 155188, 183404, 193985, 229255, 310376, 366808, 387970, 458510, 504361, 775940, 917020, 1008722, 1551880, 1834040, 2017444, 2521805, 4034888, 5043610, 10087220, 20174440]

約数ペア:

[(1, 20174440), (2, 10087220), (4, 5043610), (5, 4034888), (8, 2521805), (10, 2017444), (11, 1834040), (13, 1551880), (20, 1008722), (22, 917020), (26, 775940), (40, 504361), (44, 458510), (52, 387970), (55, 366808), (65, 310376), (88, 229255), (104, 193985), (110, 183404), (130, 155188), (143, 141080), (220, 91702), (260, 77594), (286, 70540), (440, 45851), (520, 38797), (572, 35270), (715, 28216), (1144, 17635), (1430, 14108), (2860, 7054), (3527, 5720)]