20012465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12547}}^1$

素因数の和:12592

約数の個数: 16

約数和(自身を含む): 27103680

約数和(自身を除く): 7091215

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12547, 62735, 138017, 363863, 690085, 1819315, 4002493, 20012465]

約数ペア:

[(1, 20012465), (5, 4002493), (11, 1819315), (29, 690085), (55, 363863), (145, 138017), (319, 62735), (1595, 12547)]