20693138032

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{511801}}^1$

素因数の和:511854

約数の個数: 60

約数和(自身を含む): 48359147376

約数和(自身を除く): 27666009344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 722, 1064, 1444, 2128, 2527, 2888, 5054, 5776, 10108, 20216, 40432, 511801, 1023602, 2047204, 3582607, 4094408, 7165214, 8188816, 9724219, 14330428, 19448438, 28660856, 38896876, 57321712, 68069533, 77793752, 136139066, 155587504, 184760161, 272278132, 369520322, 544556264, 739040644, 1089112528, 1293321127, 1478081288, 2586642254, 2956162576, 5173284508, 10346569016, 20693138032]

約数ペア:

[(1, 20693138032), (2, 10346569016), (4, 5173284508), (7, 2956162576), (8, 2586642254), (14, 1478081288), (16, 1293321127), (19, 1089112528), (28, 739040644), (38, 544556264), (56, 369520322), (76, 272278132), (112, 184760161), (133, 155587504), (152, 136139066), (266, 77793752), (304, 68069533), (361, 57321712), (532, 38896876), (722, 28660856), (1064, 19448438), (1444, 14330428), (2128, 9724219), (2527, 8188816), (2888, 7165214), (5054, 4094408), (5776, 3582607), (10108, 2047204), (20216, 1023602), (40432, 511801)]