20768508

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{1867}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 54396160

約数和(自身を除く): 33627652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 206, 309, 412, 618, 927, 1236, 1854, 1867, 2781, 3708, 3734, 5562, 5601, 7468, 11124, 11202, 16803, 22404, 33606, 50409, 67212, 100818, 192301, 201636, 384602, 576903, 769204, 1153806, 1730709, 2307612, 3461418, 5192127, 6922836, 10384254, 20768508]

約数ペア:

[(1, 20768508), (2, 10384254), (3, 6922836), (4, 5192127), (6, 3461418), (9, 2307612), (12, 1730709), (18, 1153806), (27, 769204), (36, 576903), (54, 384602), (103, 201636), (108, 192301), (206, 100818), (309, 67212), (412, 50409), (618, 33606), (927, 22404), (1236, 16803), (1854, 11202), (1867, 11124), (2781, 7468), (3708, 5601), (3734, 5562)]