20115456445

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1979}}^1$

素因数の和:2242

約数の個数: 64

約数和(自身を含む): 29123297280

約数和(自身を除く): 9007840835

約数列:

[1, 5, 7, 35, 37, 47, 167, 185, 235, 259, 329, 835, 1169, 1295, 1645, 1739, 1979, 5845, 6179, 7849, 8695, 9895, 12173, 13853, 30895, 39245, 43253, 54943, 60865, 69265, 73223, 93013, 216265, 274715, 290413, 330493, 366115, 465065, 512561, 651091, 1452065, 1652465, 2032891, 2313451, 2562805, 3255455, 3441481, 10164455, 11567255, 12228241, 15533171, 17207405, 24090367, 61141205, 77665855, 85597687, 108732197, 120451835, 427988435, 543660985, 574727327, 2873636635, 4023091289, 20115456445]

約数ペア:

[(1, 20115456445), (5, 4023091289), (7, 2873636635), (35, 574727327), (37, 543660985), (47, 427988435), (167, 120451835), (185, 108732197), (235, 85597687), (259, 77665855), (329, 61141205), (835, 24090367), (1169, 17207405), (1295, 15533171), (1645, 12228241), (1739, 11567255), (1979, 10164455), (5845, 3441481), (6179, 3255455), (7849, 2562805), (8695, 2313451), (9895, 2032891), (12173, 1652465), (13853, 1452065), (30895, 651091), (39245, 512561), (43253, 465065), (54943, 366115), (60865, 330493), (69265, 290413), (73223, 274715), (93013, 216265)]