20409858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{161983}}^1$

素因数の和:161998

約数の個数: 24

約数和(自身を含む): 50539008

約数和(自身を除く): 30129150

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 161983, 323966, 485949, 971898, 1133881, 1457847, 2267762, 2915694, 3401643, 6803286, 10204929, 20409858]

約数ペア:

[(1, 20409858), (2, 10204929), (3, 6803286), (6, 3401643), (7, 2915694), (9, 2267762), (14, 1457847), (18, 1133881), (21, 971898), (42, 485949), (63, 323966), (126, 161983)]