20197620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 63584640

約数和(自身を除く): 43387020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 113, 135, 180, 226, 270, 331, 339, 452, 540, 565, 662, 678, 993, 1017, 1130, 1324, 1356, 1655, 1695, 1986, 2034, 2260, 2979, 3051, 3310, 3390, 3972, 4068, 4965, 5085, 5958, 6102, 6620, 6780, 8937, 9930, 10170, 11916, 12204, 14895, 15255, 17874, 19860, 20340, 29790, 30510, 35748, 37403, 44685, 59580, 61020, 74806, 89370, 112209, 149612, 178740, 187015, 224418, 336627, 374030, 448836, 561045, 673254, 748060, 1009881, 1122090, 1346508, 1683135, 2019762, 2244180, 3366270, 4039524, 5049405, 6732540, 10098810, 20197620]

約数ペア:

[(1, 20197620), (2, 10098810), (3, 6732540), (4, 5049405), (5, 4039524), (6, 3366270), (9, 2244180), (10, 2019762), (12, 1683135), (15, 1346508), (18, 1122090), (20, 1009881), (27, 748060), (30, 673254), (36, 561045), (45, 448836), (54, 374030), (60, 336627), (90, 224418), (108, 187015), (113, 178740), (135, 149612), (180, 112209), (226, 89370), (270, 74806), (331, 61020), (339, 59580), (452, 44685), (540, 37403), (565, 35748), (662, 30510), (678, 29790), (993, 20340), (1017, 19860), (1130, 17874), (1324, 15255), (1356, 14895), (1655, 12204), (1695, 11916), (1986, 10170), (2034, 9930), (2260, 8937), (2979, 6780), (3051, 6620), (3310, 6102), (3390, 5958), (3972, 5085), (4068, 4965)]