20038788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7229}}^1$

素因数の和:7257

約数の個数: 72

約数和(自身を含む): 63161280

約数和(自身を除く): 43122492

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, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7229, 14458, 21687, 28916, 43374, 50603, 65061, 79519, 86748, 101206, 130122, 151809, 159038, 202412, 238557, 260244, 303618, 318076, 455427, 477114, 556633, 607236, 715671, 910854, 954228, 1113266, 1431342, 1669899, 1821708, 2226532, 2862684, 3339798, 5009697, 6679596, 10019394, 20038788]

約数ペア:

[(1, 20038788), (2, 10019394), (3, 6679596), (4, 5009697), (6, 3339798), (7, 2862684), (9, 2226532), (11, 1821708), (12, 1669899), (14, 1431342), (18, 1113266), (21, 954228), (22, 910854), (28, 715671), (33, 607236), (36, 556633), (42, 477114), (44, 455427), (63, 318076), (66, 303618), (77, 260244), (84, 238557), (99, 202412), (126, 159038), (132, 151809), (154, 130122), (198, 101206), (231, 86748), (252, 79519), (308, 65061), (396, 50603), (462, 43374), (693, 28916), (924, 21687), (1386, 14458), (2772, 7229)]