20961873612

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2531}}^1\times {\mathrm{7933}}^1$

素因数の和:10503

約数の個数: 72

約数和(自身を含む): 54842664240

約数和(自身を除く): 33880790628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 2531, 5062, 7593, 7933, 10124, 15186, 15866, 22779, 23799, 30372, 31732, 45558, 47598, 71397, 73399, 91116, 95196, 142794, 146798, 220197, 230057, 285588, 293596, 440394, 460114, 660591, 690171, 880788, 920228, 1321182, 1380342, 2070513, 2642364, 2760684, 4141026, 8282052, 20078423, 40156846, 60235269, 80313692, 120470538, 180705807, 240941076, 361411614, 582274267, 722823228, 1164548534, 1746822801, 2329097068, 3493645602, 5240468403, 6987291204, 10480936806, 20961873612]

約数ペア:

[(1, 20961873612), (2, 10480936806), (3, 6987291204), (4, 5240468403), (6, 3493645602), (9, 2329097068), (12, 1746822801), (18, 1164548534), (29, 722823228), (36, 582274267), (58, 361411614), (87, 240941076), (116, 180705807), (174, 120470538), (261, 80313692), (348, 60235269), (522, 40156846), (1044, 20078423), (2531, 8282052), (5062, 4141026), (7593, 2760684), (7933, 2642364), (10124, 2070513), (15186, 1380342), (15866, 1321182), (22779, 920228), (23799, 880788), (30372, 690171), (31732, 660591), (45558, 460114), (47598, 440394), (71397, 293596), (73399, 285588), (91116, 230057), (95196, 220197), (142794, 146798)]