20227856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 26911984

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 176, 184, 209, 253, 263, 304, 368, 418, 437, 506, 526, 836, 874, 1012, 1052, 1672, 1748, 2024, 2104, 2893, 3344, 3496, 4048, 4208, 4807, 4997, 5786, 6049, 6992, 9614, 9994, 11572, 12098, 19228, 19988, 23144, 24196, 38456, 39976, 46288, 48392, 54967, 66539, 76912, 79952, 96784, 109934, 114931, 133078, 219868, 229862, 266156, 439736, 459724, 532312, 879472, 919448, 1064624, 1264241, 1838896, 2528482, 5056964, 10113928, 20227856]

約数ペア:

[(1, 20227856), (2, 10113928), (4, 5056964), (8, 2528482), (11, 1838896), (16, 1264241), (19, 1064624), (22, 919448), (23, 879472), (38, 532312), (44, 459724), (46, 439736), (76, 266156), (88, 229862), (92, 219868), (152, 133078), (176, 114931), (184, 109934), (209, 96784), (253, 79952), (263, 76912), (304, 66539), (368, 54967), (418, 48392), (437, 46288), (506, 39976), (526, 38456), (836, 24196), (874, 23144), (1012, 19988), (1052, 19228), (1672, 12098), (1748, 11572), (2024, 9994), (2104, 9614), (2893, 6992), (3344, 6049), (3496, 5786), (4048, 4997), (4208, 4807)]