20731893

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75941}}^1$

素因数の和:75964

約数の個数: 16

約数和(自身を含む): 34022016

約数和(自身を除く): 13290123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75941, 227823, 531587, 987233, 1594761, 2961699, 6910631, 20731893]

約数ペア:

[(1, 20731893), (3, 6910631), (7, 2961699), (13, 1594761), (21, 987233), (39, 531587), (91, 227823), (273, 75941)]