20558115

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14737}}^1$

素因数の和:14779

約数の個数: 24

約数和(自身を含む): 36786048

約数和(自身を除く): 16227933

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14737, 44211, 73685, 132633, 221055, 456847, 663165, 1370541, 2284235, 4111623, 6852705, 20558115]

約数ペア:

[(1, 20558115), (3, 6852705), (5, 4111623), (9, 2284235), (15, 1370541), (31, 663165), (45, 456847), (93, 221055), (155, 132633), (279, 73685), (465, 44211), (1395, 14737)]