20017184

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 46992960

約数和(自身を除く): 26975776

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 41, 44, 73, 76, 82, 88, 146, 152, 164, 176, 209, 292, 304, 328, 352, 418, 451, 584, 608, 656, 779, 803, 836, 902, 1168, 1312, 1387, 1558, 1606, 1672, 1804, 2336, 2774, 2993, 3116, 3212, 3344, 3608, 5548, 5986, 6232, 6424, 6688, 7216, 8569, 11096, 11972, 12464, 12848, 14432, 15257, 17138, 22192, 23944, 24928, 25696, 30514, 32923, 34276, 44384, 47888, 56867, 61028, 65846, 68552, 95776, 113734, 122056, 131692, 137104, 227468, 244112, 263384, 274208, 454936, 488224, 526768, 625537, 909872, 1053536, 1251074, 1819744, 2502148, 5004296, 10008592, 20017184]

約数ペア:

[(1, 20017184), (2, 10008592), (4, 5004296), (8, 2502148), (11, 1819744), (16, 1251074), (19, 1053536), (22, 909872), (32, 625537), (38, 526768), (41, 488224), (44, 454936), (73, 274208), (76, 263384), (82, 244112), (88, 227468), (146, 137104), (152, 131692), (164, 122056), (176, 113734), (209, 95776), (292, 68552), (304, 65846), (328, 61028), (352, 56867), (418, 47888), (451, 44384), (584, 34276), (608, 32923), (656, 30514), (779, 25696), (803, 24928), (836, 23944), (902, 22192), (1168, 17138), (1312, 15257), (1387, 14432), (1558, 12848), (1606, 12464), (1672, 11972), (1804, 11096), (2336, 8569), (2774, 7216), (2993, 6688), (3116, 6424), (3212, 6232), (3344, 5986), (3608, 5548)]