20554341718

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{470933}}^1$

素因数の和:471231

約数の個数: 16

約数和(自身を含む): 31251180240

約数和(自身を除く): 10696838522

約数列:

[1, 2, 139, 157, 278, 314, 21823, 43646, 470933, 941866, 65459687, 73936481, 130919374, 147872962, 10277170859, 20554341718]

約数ペア:

[(1, 20554341718), (2, 10277170859), (139, 147872962), (157, 130919374), (278, 73936481), (314, 65459687), (21823, 941866), (43646, 470933)]