20582079

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 33521664

約数和(自身を除く): 12939585

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 903, 989, 991, 2967, 2973, 6923, 6937, 20769, 20811, 22793, 42613, 68379, 127839, 159551, 298291, 478653, 894873, 980099, 2940297, 6860693, 20582079]

約数ペア:

[(1, 20582079), (3, 6860693), (7, 2940297), (21, 980099), (23, 894873), (43, 478653), (69, 298291), (129, 159551), (161, 127839), (301, 68379), (483, 42613), (903, 22793), (989, 20811), (991, 20769), (2967, 6937), (2973, 6923)]