20500656

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 38745552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 41, 44, 48, 66, 82, 88, 123, 132, 164, 176, 246, 264, 328, 451, 492, 528, 656, 902, 947, 984, 1353, 1804, 1894, 1968, 2706, 2841, 3608, 3788, 5412, 5682, 7216, 7576, 10417, 10824, 11364, 15152, 20834, 21648, 22728, 31251, 38827, 41668, 45456, 62502, 77654, 83336, 116481, 125004, 155308, 166672, 232962, 250008, 310616, 427097, 465924, 500016, 621232, 854194, 931848, 1281291, 1708388, 1863696, 2562582, 3416776, 5125164, 6833552, 10250328, 20500656]

約数ペア:

[(1, 20500656), (2, 10250328), (3, 6833552), (4, 5125164), (6, 3416776), (8, 2562582), (11, 1863696), (12, 1708388), (16, 1281291), (22, 931848), (24, 854194), (33, 621232), (41, 500016), (44, 465924), (48, 427097), (66, 310616), (82, 250008), (88, 232962), (123, 166672), (132, 155308), (164, 125004), (176, 116481), (246, 83336), (264, 77654), (328, 62502), (451, 45456), (492, 41668), (528, 38827), (656, 31251), (902, 22728), (947, 21648), (984, 20834), (1353, 15152), (1804, 11364), (1894, 10824), (1968, 10417), (2706, 7576), (2841, 7216), (3608, 5682), (3788, 5412)]