20508660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 64471680

約数和(自身を除く): 43963020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 163, 180, 233, 270, 326, 466, 489, 540, 652, 699, 815, 932, 978, 1165, 1398, 1467, 1630, 1956, 2097, 2330, 2445, 2796, 2934, 3260, 3495, 4194, 4401, 4660, 4890, 5868, 6291, 6990, 7335, 8388, 8802, 9780, 10485, 12582, 13980, 14670, 17604, 20970, 22005, 25164, 29340, 31455, 37979, 41940, 44010, 62910, 75958, 88020, 113937, 125820, 151916, 189895, 227874, 341811, 379790, 455748, 569685, 683622, 759580, 1025433, 1139370, 1367244, 1709055, 2050866, 2278740, 3418110, 4101732, 5127165, 6836220, 10254330, 20508660]

約数ペア:

[(1, 20508660), (2, 10254330), (3, 6836220), (4, 5127165), (5, 4101732), (6, 3418110), (9, 2278740), (10, 2050866), (12, 1709055), (15, 1367244), (18, 1139370), (20, 1025433), (27, 759580), (30, 683622), (36, 569685), (45, 455748), (54, 379790), (60, 341811), (90, 227874), (108, 189895), (135, 151916), (163, 125820), (180, 113937), (233, 88020), (270, 75958), (326, 62910), (466, 44010), (489, 41940), (540, 37979), (652, 31455), (699, 29340), (815, 25164), (932, 22005), (978, 20970), (1165, 17604), (1398, 14670), (1467, 13980), (1630, 12582), (1956, 10485), (2097, 9780), (2330, 8802), (2445, 8388), (2796, 7335), (2934, 6990), (3260, 6291), (3495, 5868), (4194, 4890), (4401, 4660)]