20854476

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10163}}^1$

素因数の和:10195

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 36063924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10163, 20326, 30489, 40652, 60978, 91467, 121956, 182934, 193097, 274401, 365868, 386194, 548802, 579291, 772388, 1097604, 1158582, 1737873, 2317164, 3475746, 5213619, 6951492, 10427238, 20854476]

約数ペア:

[(1, 20854476), (2, 10427238), (3, 6951492), (4, 5213619), (6, 3475746), (9, 2317164), (12, 1737873), (18, 1158582), (19, 1097604), (27, 772388), (36, 579291), (38, 548802), (54, 386194), (57, 365868), (76, 274401), (108, 193097), (114, 182934), (171, 121956), (228, 91467), (342, 60978), (513, 40652), (684, 30489), (1026, 20326), (2052, 10163)]