20619918809

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{1873}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 24481336320

約数和(自身を除く): 3861417511

約数列:

[1, 7, 41, 89, 287, 431, 623, 1873, 3017, 3649, 13111, 17671, 25543, 38359, 76793, 123697, 166697, 268513, 537551, 807263, 1166879, 1572719, 5650841, 6834577, 11009033, 33097783, 47842039, 71846407, 231684481, 502924849, 2945702687, 20619918809]

約数ペア:

[(1, 20619918809), (7, 2945702687), (41, 502924849), (89, 231684481), (287, 71846407), (431, 47842039), (623, 33097783), (1873, 11009033), (3017, 6834577), (3649, 5650841), (13111, 1572719), (17671, 1166879), (25543, 807263), (38359, 537551), (76793, 268513), (123697, 166697)]