20470395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15656325

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1279, 1455, 3201, 3837, 5335, 6395, 14069, 16005, 19185, 42207, 70345, 124063, 211035, 372189, 620315, 1364693, 1860945, 4094079, 6823465, 20470395]

約数ペア:

[(1, 20470395), (3, 6823465), (5, 4094079), (11, 1860945), (15, 1364693), (33, 620315), (55, 372189), (97, 211035), (165, 124063), (291, 70345), (485, 42207), (1067, 19185), (1279, 16005), (1455, 14069), (3201, 6395), (3837, 5335)]