20155212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 108

約数和(自身を含む): 64097488

約数和(自身を除く): 43942276

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 661, 693, 726, 847, 924, 1089, 1322, 1386, 1452, 1694, 1983, 2178, 2541, 2644, 2772, 3388, 3966, 4356, 4627, 5082, 5949, 7271, 7623, 7932, 9254, 10164, 11898, 13881, 14542, 15246, 18508, 21813, 23796, 27762, 29084, 30492, 41643, 43626, 50897, 55524, 65439, 79981, 83286, 87252, 101794, 130878, 152691, 159962, 166572, 203588, 239943, 261756, 305382, 319924, 458073, 479886, 559867, 610764, 719829, 916146, 959772, 1119734, 1439658, 1679601, 1832292, 2239468, 2879316, 3359202, 5038803, 6718404, 10077606, 20155212]

約数ペア:

[(1, 20155212), (2, 10077606), (3, 6718404), (4, 5038803), (6, 3359202), (7, 2879316), (9, 2239468), (11, 1832292), (12, 1679601), (14, 1439658), (18, 1119734), (21, 959772), (22, 916146), (28, 719829), (33, 610764), (36, 559867), (42, 479886), (44, 458073), (63, 319924), (66, 305382), (77, 261756), (84, 239943), (99, 203588), (121, 166572), (126, 159962), (132, 152691), (154, 130878), (198, 101794), (231, 87252), (242, 83286), (252, 79981), (308, 65439), (363, 55524), (396, 50897), (462, 43626), (484, 41643), (661, 30492), (693, 29084), (726, 27762), (847, 23796), (924, 21813), (1089, 18508), (1322, 15246), (1386, 14542), (1452, 13881), (1694, 11898), (1983, 10164), (2178, 9254), (2541, 7932), (2644, 7623), (2772, 7271), (3388, 5949), (3966, 5082), (4356, 4627)]