20202651

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:832

約数の個数: 36

約数和(自身を含む): 34548384

約数和(自身を除く): 14345733

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 751, 1281, 2253, 2989, 3843, 5257, 6759, 8967, 15771, 26901, 36799, 45811, 47313, 110397, 137433, 320677, 331191, 412299, 962031, 2244739, 2886093, 6734217, 20202651]

約数ペア:

[(1, 20202651), (3, 6734217), (7, 2886093), (9, 2244739), (21, 962031), (49, 412299), (61, 331191), (63, 320677), (147, 137433), (183, 110397), (427, 47313), (441, 45811), (549, 36799), (751, 26901), (1281, 15771), (2253, 8967), (2989, 6759), (3843, 5257)]