20161432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 42624000

約数和(自身を除く): 22462568

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 73, 76, 79, 92, 146, 152, 158, 184, 292, 316, 437, 584, 632, 874, 1387, 1501, 1679, 1748, 1817, 2774, 3002, 3358, 3496, 3634, 5548, 5767, 6004, 6716, 7268, 11096, 11534, 12008, 13432, 14536, 23068, 31901, 34523, 46136, 63802, 69046, 109573, 127604, 132641, 138092, 219146, 255208, 265282, 276184, 438292, 530564, 876584, 1061128, 2520179, 5040358, 10080716, 20161432]

約数ペア:

[(1, 20161432), (2, 10080716), (4, 5040358), (8, 2520179), (19, 1061128), (23, 876584), (38, 530564), (46, 438292), (73, 276184), (76, 265282), (79, 255208), (92, 219146), (146, 138092), (152, 132641), (158, 127604), (184, 109573), (292, 69046), (316, 63802), (437, 46136), (584, 34523), (632, 31901), (874, 23068), (1387, 14536), (1501, 13432), (1679, 12008), (1748, 11534), (1817, 11096), (2774, 7268), (3002, 6716), (3358, 6004), (3496, 5767), (3634, 5548)]