20512661174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 33603206400

約数和(自身を除く): 13090545226

約数列:

[1, 2, 19, 38, 61, 67, 122, 134, 269, 491, 538, 982, 1159, 1273, 2318, 2546, 4087, 5111, 8174, 9329, 10222, 16409, 18023, 18658, 29951, 32818, 32897, 36046, 59902, 65794, 77653, 132079, 155306, 264158, 311771, 342437, 569069, 623542, 625043, 684874, 1099403, 1138138, 1250086, 2006717, 2198806, 2509501, 4013434, 5019002, 8056819, 8849293, 16113638, 17698586, 20888657, 38127623, 41777314, 76255246, 153079561, 168136567, 306159122, 336273134, 539806873, 1079613746, 10256330587, 20512661174]

約数ペア:

[(1, 20512661174), (2, 10256330587), (19, 1079613746), (38, 539806873), (61, 336273134), (67, 306159122), (122, 168136567), (134, 153079561), (269, 76255246), (491, 41777314), (538, 38127623), (982, 20888657), (1159, 17698586), (1273, 16113638), (2318, 8849293), (2546, 8056819), (4087, 5019002), (5111, 4013434), (8174, 2509501), (9329, 2198806), (10222, 2006717), (16409, 1250086), (18023, 1138138), (18658, 1099403), (29951, 684874), (32818, 625043), (32897, 623542), (36046, 569069), (59902, 342437), (65794, 311771), (77653, 264158), (132079, 155306)]