20508528

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 57558816

約数和(自身を除く): 37050288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 41, 48, 51, 68, 82, 102, 123, 136, 164, 204, 246, 272, 328, 408, 492, 613, 656, 697, 816, 984, 1226, 1394, 1839, 1968, 2091, 2452, 2788, 3678, 4182, 4904, 5576, 7356, 8364, 9808, 10421, 11152, 14712, 16728, 20842, 25133, 29424, 31263, 33456, 41684, 50266, 62526, 75399, 83368, 100532, 125052, 150798, 166736, 201064, 250104, 301596, 402128, 427261, 500208, 603192, 854522, 1206384, 1281783, 1709044, 2563566, 3418088, 5127132, 6836176, 10254264, 20508528]

約数ペア:

[(1, 20508528), (2, 10254264), (3, 6836176), (4, 5127132), (6, 3418088), (8, 2563566), (12, 1709044), (16, 1281783), (17, 1206384), (24, 854522), (34, 603192), (41, 500208), (48, 427261), (51, 402128), (68, 301596), (82, 250104), (102, 201064), (123, 166736), (136, 150798), (164, 125052), (204, 100532), (246, 83368), (272, 75399), (328, 62526), (408, 50266), (492, 41684), (613, 33456), (656, 31263), (697, 29424), (816, 25133), (984, 20842), (1226, 16728), (1394, 14712), (1839, 11152), (1968, 10421), (2091, 9808), (2452, 8364), (2788, 7356), (3678, 5576), (4182, 4904)]