820162020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{4987}}^1$

素因数の和:7740

約数の個数: 48

約数和(自身を含む): 2297752128

約数和(自身を除く): 1477590108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2741, 4987, 5482, 8223, 9974, 10964, 13705, 14961, 16446, 19948, 24935, 27410, 29922, 32892, 41115, 49870, 54820, 59844, 74805, 82230, 99740, 149610, 164460, 299220, 13669367, 27338734, 41008101, 54677468, 68346835, 82016202, 136693670, 164032404, 205040505, 273387340, 410081010, 820162020]

約数ペア:

[(1, 820162020), (2, 410081010), (3, 273387340), (4, 205040505), (5, 164032404), (6, 136693670), (10, 82016202), (12, 68346835), (15, 54677468), (20, 41008101), (30, 27338734), (60, 13669367), (2741, 299220), (4987, 164460), (5482, 149610), (8223, 99740), (9974, 82230), (10964, 74805), (13705, 59844), (14961, 54820), (16446, 49870), (19948, 41115), (24935, 32892), (27410, 29922)]