20265961919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1\times {\mathrm{1301}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 24694419456

約数和(自身を除く): 4428457537

約数列:

[1, 7, 17, 119, 223, 587, 1301, 1561, 3791, 4109, 9107, 9979, 22117, 26537, 69853, 130901, 154819, 290123, 763687, 916307, 2030861, 2225317, 4932091, 5345809, 12982679, 15577219, 34524637, 90878753, 170302201, 1192115407, 2895137417, 20265961919]

約数ペア:

[(1, 20265961919), (7, 2895137417), (17, 1192115407), (119, 170302201), (223, 90878753), (587, 34524637), (1301, 15577219), (1561, 12982679), (3791, 5345809), (4109, 4932091), (9107, 2225317), (9979, 2030861), (22117, 916307), (26537, 763687), (69853, 290123), (130901, 154819)]