20660752

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 90

約数和(自身を含む): 49818798

約数和(自身を除く): 29158046

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 73, 76, 98, 112, 133, 146, 152, 196, 266, 292, 304, 361, 392, 511, 532, 584, 722, 784, 931, 1022, 1064, 1168, 1387, 1444, 1862, 2044, 2128, 2527, 2774, 2888, 3577, 3724, 4088, 5054, 5548, 5776, 7154, 7448, 8176, 9709, 10108, 11096, 14308, 14896, 17689, 19418, 20216, 22192, 26353, 28616, 35378, 38836, 40432, 52706, 57232, 67963, 70756, 77672, 105412, 135926, 141512, 155344, 184471, 210824, 271852, 283024, 368942, 421648, 543704, 737884, 1087408, 1291297, 1475768, 2582594, 2951536, 5165188, 10330376, 20660752]

約数ペア:

[(1, 20660752), (2, 10330376), (4, 5165188), (7, 2951536), (8, 2582594), (14, 1475768), (16, 1291297), (19, 1087408), (28, 737884), (38, 543704), (49, 421648), (56, 368942), (73, 283024), (76, 271852), (98, 210824), (112, 184471), (133, 155344), (146, 141512), (152, 135926), (196, 105412), (266, 77672), (292, 70756), (304, 67963), (361, 57232), (392, 52706), (511, 40432), (532, 38836), (584, 35378), (722, 28616), (784, 26353), (931, 22192), (1022, 20216), (1064, 19418), (1168, 17689), (1387, 14896), (1444, 14308), (1862, 11096), (2044, 10108), (2128, 9709), (2527, 8176), (2774, 7448), (2888, 7154), (3577, 5776), (3724, 5548), (4088, 5054)]