20333761

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 3471167

約数列:

[1, 7, 71, 163, 251, 497, 1141, 1757, 11573, 17821, 40913, 81011, 124747, 286391, 2904823, 20333761]

約数ペア:

[(1, 20333761), (7, 2904823), (71, 286391), (163, 124747), (251, 81011), (497, 40913), (1141, 17821), (1757, 11573)]