20105460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111697}}^1$

素因数の和:111712

約数の個数: 36

約数和(自身を含む): 60987108

約数和(自身を除く): 40881648

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111697, 223394, 335091, 446788, 558485, 670182, 1005273, 1116970, 1340364, 1675455, 2010546, 2233940, 3350910, 4021092, 5026365, 6701820, 10052730, 20105460]

約数ペア:

[(1, 20105460), (2, 10052730), (3, 6701820), (4, 5026365), (5, 4021092), (6, 3350910), (9, 2233940), (10, 2010546), (12, 1675455), (15, 1340364), (18, 1116970), (20, 1005273), (30, 670182), (36, 558485), (45, 446788), (60, 335091), (90, 223394), (180, 111697)]