20780224

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:797

約数の個数: 56

約数和(自身を含む): 45354240

約数和(自身を除く): 24574016

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 608, 736, 743, 874, 1216, 1472, 1486, 1748, 2972, 3496, 5944, 6992, 11888, 13984, 14117, 17089, 23776, 27968, 28234, 34178, 47552, 56468, 68356, 112936, 136712, 225872, 273424, 324691, 451744, 546848, 649382, 903488, 1093696, 1298764, 2597528, 5195056, 10390112, 20780224]

約数ペア:

[(1, 20780224), (2, 10390112), (4, 5195056), (8, 2597528), (16, 1298764), (19, 1093696), (23, 903488), (32, 649382), (38, 546848), (46, 451744), (64, 324691), (76, 273424), (92, 225872), (152, 136712), (184, 112936), (304, 68356), (368, 56468), (437, 47552), (608, 34178), (736, 28234), (743, 27968), (874, 23776), (1216, 17089), (1472, 14117), (1486, 13984), (1748, 11888), (2972, 6992), (3496, 5944)]