20123202078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{355697}}^1$

素因数の和:356161

約数の個数: 48

約数和(自身を含む): 49939999200

約数和(自身を除く): 29816797122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 449, 898, 1347, 2694, 3143, 4041, 6286, 8082, 9429, 18858, 28287, 56574, 355697, 711394, 1067091, 2134182, 2489879, 3201273, 4979758, 6402546, 7469637, 14939274, 22408911, 44817822, 159707953, 319415906, 479123859, 958247718, 1117955671, 1437371577, 2235911342, 2874743154, 3353867013, 6707734026, 10061601039, 20123202078]

約数ペア:

[(1, 20123202078), (2, 10061601039), (3, 6707734026), (6, 3353867013), (7, 2874743154), (9, 2235911342), (14, 1437371577), (18, 1117955671), (21, 958247718), (42, 479123859), (63, 319415906), (126, 159707953), (449, 44817822), (898, 22408911), (1347, 14939274), (2694, 7469637), (3143, 6402546), (4041, 4979758), (6286, 3201273), (8082, 2489879), (9429, 2134182), (18858, 1067091), (28287, 711394), (56574, 355697)]