20921398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11093}}^1$

素因数の和:11159

約数の個数: 16

約数和(自身を含む): 33548256

約数和(自身を除く): 12626858

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 11093, 22186, 255139, 454813, 510278, 909626, 10460699, 20921398]

約数ペア:

[(1, 20921398), (2, 10460699), (23, 909626), (41, 510278), (46, 454813), (82, 255139), (943, 22186), (1886, 11093)]