20266792

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 49268520

約数和(自身を除く): 29001728

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 49, 52, 56, 82, 91, 97, 98, 104, 164, 182, 194, 196, 287, 328, 364, 388, 392, 533, 574, 637, 679, 728, 776, 1066, 1148, 1261, 1274, 1358, 2009, 2132, 2296, 2522, 2548, 2716, 3731, 3977, 4018, 4264, 4753, 5044, 5096, 5432, 7462, 7954, 8036, 8827, 9506, 10088, 14924, 15908, 16072, 17654, 19012, 26117, 27839, 29848, 31816, 35308, 38024, 51701, 52234, 55678, 61789, 70616, 103402, 104468, 111356, 123578, 194873, 206804, 208936, 222712, 247156, 361907, 389746, 413608, 494312, 723814, 779492, 1447628, 1558984, 2533349, 2895256, 5066698, 10133396, 20266792]

約数ペア:

[(1, 20266792), (2, 10133396), (4, 5066698), (7, 2895256), (8, 2533349), (13, 1558984), (14, 1447628), (26, 779492), (28, 723814), (41, 494312), (49, 413608), (52, 389746), (56, 361907), (82, 247156), (91, 222712), (97, 208936), (98, 206804), (104, 194873), (164, 123578), (182, 111356), (194, 104468), (196, 103402), (287, 70616), (328, 61789), (364, 55678), (388, 52234), (392, 51701), (533, 38024), (574, 35308), (637, 31816), (679, 29848), (728, 27839), (776, 26117), (1066, 19012), (1148, 17654), (1261, 16072), (1274, 15908), (1358, 14924), (2009, 10088), (2132, 9506), (2296, 8827), (2522, 8036), (2548, 7954), (2716, 7462), (3731, 5432), (3977, 5096), (4018, 5044), (4264, 4753)]