20147560455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{231701}}^1$

素因数の和:231768

約数の個数: 64

約数和(自身を含む): 38436581376

約数和(自身を除く): 18289020921

約数列:

[1, 3, 5, 11, 15, 17, 31, 33, 51, 55, 85, 93, 155, 165, 187, 255, 341, 465, 527, 561, 935, 1023, 1581, 1705, 2635, 2805, 5115, 5797, 7905, 17391, 28985, 86955, 231701, 695103, 1158505, 2548711, 3475515, 3938917, 7182731, 7646133, 11816751, 12743555, 19694585, 21548193, 35913655, 38230665, 43328087, 59083755, 79010041, 107740965, 122106427, 129984261, 216640435, 237030123, 366319281, 395050205, 610532135, 649921305, 1185150615, 1343170697, 1831596405, 4029512091, 6715853485, 20147560455]

約数ペア:

[(1, 20147560455), (3, 6715853485), (5, 4029512091), (11, 1831596405), (15, 1343170697), (17, 1185150615), (31, 649921305), (33, 610532135), (51, 395050205), (55, 366319281), (85, 237030123), (93, 216640435), (155, 129984261), (165, 122106427), (187, 107740965), (255, 79010041), (341, 59083755), (465, 43328087), (527, 38230665), (561, 35913655), (935, 21548193), (1023, 19694585), (1581, 12743555), (1705, 11816751), (2635, 7646133), (2805, 7182731), (5115, 3938917), (5797, 3475515), (7905, 2548711), (17391, 1158505), (28985, 695103), (86955, 231701)]