20492730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 34976070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1069, 1278, 1917, 2130, 2138, 3195, 3207, 3834, 5345, 6390, 6414, 9585, 9621, 10690, 16035, 19170, 19242, 28863, 32070, 48105, 57726, 75899, 96210, 144315, 151798, 227697, 288630, 379495, 455394, 683091, 758990, 1138485, 1366182, 2049273, 2276970, 3415455, 4098546, 6830910, 10246365, 20492730]

約数ペア:

[(1, 20492730), (2, 10246365), (3, 6830910), (5, 4098546), (6, 3415455), (9, 2276970), (10, 2049273), (15, 1366182), (18, 1138485), (27, 758990), (30, 683091), (45, 455394), (54, 379495), (71, 288630), (90, 227697), (135, 151798), (142, 144315), (213, 96210), (270, 75899), (355, 57726), (426, 48105), (639, 32070), (710, 28863), (1065, 19242), (1069, 19170), (1278, 16035), (1917, 10690), (2130, 9621), (2138, 9585), (3195, 6414), (3207, 6390), (3834, 5345)]