20296878

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 52005888

約数和(自身を除く): 31709010

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 49, 51, 62, 93, 98, 102, 119, 131, 147, 186, 217, 238, 262, 294, 357, 393, 434, 527, 651, 714, 786, 833, 917, 1054, 1302, 1519, 1581, 1666, 1834, 2227, 2499, 2751, 3038, 3162, 3689, 4061, 4454, 4557, 4998, 5502, 6419, 6681, 7378, 8122, 9114, 11067, 12183, 12838, 13362, 15589, 19257, 22134, 24366, 25823, 28427, 31178, 38514, 46767, 51646, 56854, 69037, 77469, 85281, 93534, 109123, 138074, 154938, 170562, 198989, 207111, 218246, 327369, 397978, 414222, 483259, 596967, 654738, 966518, 1193934, 1449777, 2899554, 3382813, 6765626, 10148439, 20296878]

約数ペア:

[(1, 20296878), (2, 10148439), (3, 6765626), (6, 3382813), (7, 2899554), (14, 1449777), (17, 1193934), (21, 966518), (31, 654738), (34, 596967), (42, 483259), (49, 414222), (51, 397978), (62, 327369), (93, 218246), (98, 207111), (102, 198989), (119, 170562), (131, 154938), (147, 138074), (186, 109123), (217, 93534), (238, 85281), (262, 77469), (294, 69037), (357, 56854), (393, 51646), (434, 46767), (527, 38514), (651, 31178), (714, 28427), (786, 25823), (833, 24366), (917, 22134), (1054, 19257), (1302, 15589), (1519, 13362), (1581, 12838), (1666, 12183), (1834, 11067), (2227, 9114), (2499, 8122), (2751, 7378), (3038, 6681), (3162, 6419), (3689, 5502), (4061, 4998), (4454, 4557)]