20216071642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{29879}}^1$

素因数の和:30438

約数の個数: 32

約数和(自身を含む): 33341777280

約数和(自身を除く): 13125705638

約数列:

[1, 2, 13, 26, 53, 106, 491, 689, 982, 1378, 6383, 12766, 26023, 29879, 52046, 59758, 338299, 388427, 676598, 776854, 1583587, 3167174, 14670589, 20586631, 29341178, 41173262, 190717657, 381435314, 777541217, 1555082434, 10108035821, 20216071642]

約数ペア:

[(1, 20216071642), (2, 10108035821), (13, 1555082434), (26, 777541217), (53, 381435314), (106, 190717657), (491, 41173262), (689, 29341178), (982, 20586631), (1378, 14670589), (6383, 3167174), (12766, 1583587), (26023, 776854), (29879, 676598), (52046, 388427), (59758, 338299)]