20370693

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20639}}^1$

素因数の和:20696

約数の個数: 16

約数和(自身を含む): 31703040

約数和(自身を除く): 11332347

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20639, 61917, 144473, 433419, 970033, 2910099, 6790231, 20370693]

約数ペア:

[(1, 20370693), (3, 6790231), (7, 2910099), (21, 970033), (47, 433419), (141, 144473), (329, 61917), (987, 20639)]