20106972

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 33706788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 419, 516, 558, 774, 838, 1116, 1257, 1333, 1548, 1676, 2514, 2666, 3771, 3999, 5028, 5332, 7542, 7998, 11997, 12989, 15084, 15996, 18017, 23994, 25978, 36034, 38967, 47988, 51956, 54051, 72068, 77934, 108102, 116901, 155868, 162153, 216204, 233802, 324306, 467604, 558527, 648612, 1117054, 1675581, 2234108, 3351162, 5026743, 6702324, 10053486, 20106972]

約数ペア:

[(1, 20106972), (2, 10053486), (3, 6702324), (4, 5026743), (6, 3351162), (9, 2234108), (12, 1675581), (18, 1117054), (31, 648612), (36, 558527), (43, 467604), (62, 324306), (86, 233802), (93, 216204), (124, 162153), (129, 155868), (172, 116901), (186, 108102), (258, 77934), (279, 72068), (372, 54051), (387, 51956), (419, 47988), (516, 38967), (558, 36034), (774, 25978), (838, 23994), (1116, 18017), (1257, 15996), (1333, 15084), (1548, 12989), (1676, 11997), (2514, 7998), (2666, 7542), (3771, 5332), (3999, 5028)]