20854284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6869}}^1$

素因数の和:6910

約数の個数: 48

約数和(自身を含む): 55399680

約数和(自身を除く): 34545396

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6869, 13738, 20607, 27476, 41214, 75559, 82428, 151118, 157987, 226677, 302236, 315974, 453354, 473961, 631948, 906708, 947922, 1737857, 1895844, 3475714, 5213571, 6951428, 10427142, 20854284]

約数ペア:

[(1, 20854284), (2, 10427142), (3, 6951428), (4, 5213571), (6, 3475714), (11, 1895844), (12, 1737857), (22, 947922), (23, 906708), (33, 631948), (44, 473961), (46, 453354), (66, 315974), (69, 302236), (92, 226677), (132, 157987), (138, 151118), (253, 82428), (276, 75559), (506, 41214), (759, 27476), (1012, 20607), (1518, 13738), (3036, 6869)]