20172949601

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{61603}}^1$

素因数の和:61821

約数の個数: 24

約数和(自身を含む): 24186716064

約数和(自身を除く): 4013766463

約数列:

[1, 7, 41, 49, 163, 287, 1141, 2009, 6683, 7987, 46781, 61603, 327467, 431221, 2525723, 3018547, 10041289, 17680061, 70289023, 123760427, 411692849, 492023161, 2881849943, 20172949601]

約数ペア:

[(1, 20172949601), (7, 2881849943), (41, 492023161), (49, 411692849), (163, 123760427), (287, 70289023), (1141, 17680061), (2009, 10041289), (6683, 3018547), (7987, 2525723), (46781, 431221), (61603, 327467)]