20186094537

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{354833}}^1$

素因数の和:354899

約数の個数: 48

約数和(自身を含む): 35596946880

約数和(自身を除く): 15410852343

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1323, 2107, 2709, 6321, 8127, 18963, 56889, 354833, 1064499, 2483831, 3193497, 7451493, 9580491, 15257819, 17386817, 22354479, 45773457, 52160451, 67063437, 106804733, 137320371, 156481353, 320414199, 411961113, 469444059, 747633131, 961242597, 2242899393, 2883727791, 6728698179, 20186094537]

約数ペア:

[(1, 20186094537), (3, 6728698179), (7, 2883727791), (9, 2242899393), (21, 961242597), (27, 747633131), (43, 469444059), (49, 411961113), (63, 320414199), (129, 156481353), (147, 137320371), (189, 106804733), (301, 67063437), (387, 52160451), (441, 45773457), (903, 22354479), (1161, 17386817), (1323, 15257819), (2107, 9580491), (2709, 7451493), (6321, 3193497), (8127, 2483831), (18963, 1064499), (56889, 354833)]