20883243

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 28864512

約数和(自身を除く): 7981269

約数列:

[1, 3, 31, 93, 431, 521, 1293, 1563, 13361, 16151, 40083, 48453, 224551, 673653, 6961081, 20883243]

約数ペア:

[(1, 20883243), (3, 6961081), (31, 673653), (93, 224551), (431, 48453), (521, 40083), (1293, 16151), (1563, 13361)]