20846142

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 48267648

約数和(自身を除く): 27421506

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1171, 1978, 2342, 2967, 3513, 5934, 7026, 8901, 10539, 17802, 21078, 26933, 50353, 53866, 80799, 100706, 151059, 161598, 242397, 302118, 453177, 484794, 906354, 1158119, 2316238, 3474357, 6948714, 10423071, 20846142]

約数ペア:

[(1, 20846142), (2, 10423071), (3, 6948714), (6, 3474357), (9, 2316238), (18, 1158119), (23, 906354), (43, 484794), (46, 453177), (69, 302118), (86, 242397), (129, 161598), (138, 151059), (207, 100706), (258, 80799), (387, 53866), (414, 50353), (774, 26933), (989, 21078), (1171, 17802), (1978, 10539), (2342, 8901), (2967, 7026), (3513, 5934)]