20663205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 35079168

約数和(自身を除く): 14415963

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1201, 3441, 3603, 5735, 6005, 17205, 18015, 37231, 44437, 111693, 133311, 186155, 222185, 558465, 666555, 1377547, 4132641, 6887735, 20663205]

約数ペア:

[(1, 20663205), (3, 6887735), (5, 4132641), (15, 1377547), (31, 666555), (37, 558465), (93, 222185), (111, 186155), (155, 133311), (185, 111693), (465, 44437), (555, 37231), (1147, 18015), (1201, 17205), (3441, 6005), (3603, 5735)]