20855802

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 47880000

約数和(自身を除く): 27024198

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363, 506, 726, 759, 1249, 1518, 2498, 2783, 3747, 5566, 7494, 8349, 13739, 16698, 27478, 28727, 41217, 57454, 82434, 86181, 151129, 172362, 302258, 315997, 453387, 631994, 906774, 947991, 1895982, 3475967, 6951934, 10427901, 20855802]

約数ペア:

[(1, 20855802), (2, 10427901), (3, 6951934), (6, 3475967), (11, 1895982), (22, 947991), (23, 906774), (33, 631994), (46, 453387), (66, 315997), (69, 302258), (121, 172362), (138, 151129), (242, 86181), (253, 82434), (363, 57454), (506, 41217), (726, 28727), (759, 27478), (1249, 16698), (1518, 13739), (2498, 8349), (2783, 7494), (3747, 5566)]