20470605

素因数分解:

$3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5189}}^1$

素因数の和:5460

約数の個数: 16

約数和(自身を含む): 32883840

約数和(自身を除く): 12413235

約数列:

[1, 3, 5, 15, 263, 789, 1315, 3945, 5189, 15567, 25945, 77835, 1364707, 4094121, 6823535, 20470605]

約数ペア:

[(1, 20470605), (3, 6823535), (5, 4094121), (15, 1364707), (263, 77835), (789, 25945), (1315, 15567), (3945, 5189)]