20855898

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165523}}^1$

素因数の和:165538

約数の個数: 24

約数和(自身を含む): 51643488

約数和(自身を除く): 30787590

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165523, 331046, 496569, 993138, 1158661, 1489707, 2317322, 2979414, 3475983, 6951966, 10427949, 20855898]

約数ペア:

[(1, 20855898), (2, 10427949), (3, 6951966), (6, 3475983), (7, 2979414), (9, 2317322), (14, 1489707), (18, 1158661), (21, 993138), (42, 496569), (63, 331046), (126, 165523)]