20590908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6986

約数の個数: 48

約数和(自身を含む): 54472320

約数和(自身を除く): 33881412

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6947, 13894, 20841, 27788, 41682, 83364, 90311, 131993, 180622, 263986, 270933, 361244, 395979, 527972, 541866, 791958, 1083732, 1583916, 1715909, 3431818, 5147727, 6863636, 10295454, 20590908]

約数ペア:

[(1, 20590908), (2, 10295454), (3, 6863636), (4, 5147727), (6, 3431818), (12, 1715909), (13, 1583916), (19, 1083732), (26, 791958), (38, 541866), (39, 527972), (52, 395979), (57, 361244), (76, 270933), (78, 263986), (114, 180622), (156, 131993), (228, 90311), (247, 83364), (494, 41682), (741, 27788), (988, 20841), (1482, 13894), (2964, 6947)]