20195780164

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{91151}}^1$

素因数の和:91396

約数の個数: 48

約数和(自身を含む): 41591563776

約数和(自身を除く): 21395783612

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 193, 287, 386, 574, 772, 1148, 1351, 2702, 5404, 7913, 15826, 31652, 55391, 91151, 110782, 182302, 221564, 364604, 638057, 1276114, 2552228, 3737191, 7474382, 14948764, 17592143, 26160337, 35184286, 52320674, 70368572, 104641348, 123145001, 246290002, 492580004, 721277863, 1442555726, 2885111452, 5048945041, 10097890082, 20195780164]

約数ペア:

[(1, 20195780164), (2, 10097890082), (4, 5048945041), (7, 2885111452), (14, 1442555726), (28, 721277863), (41, 492580004), (82, 246290002), (164, 123145001), (193, 104641348), (287, 70368572), (386, 52320674), (574, 35184286), (772, 26160337), (1148, 17592143), (1351, 14948764), (2702, 7474382), (5404, 3737191), (7913, 2552228), (15826, 1276114), (31652, 638057), (55391, 364604), (91151, 221564), (110782, 182302)]