20165361012

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{126473}}^1$

素因数の和:126629

約数の個数: 72

約数和(自身を含む): 52665797184

約数和(自身を除く): 32500436172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 103, 129, 172, 206, 258, 309, 387, 412, 516, 618, 774, 927, 1236, 1548, 1854, 3708, 4429, 8858, 13287, 17716, 26574, 39861, 53148, 79722, 126473, 159444, 252946, 379419, 505892, 758838, 1138257, 1517676, 2276514, 4553028, 5438339, 10876678, 13026719, 16315017, 21753356, 26053438, 32630034, 39080157, 48945051, 52106876, 65260068, 78160314, 97890102, 117240471, 156320628, 195780204, 234480942, 468961884, 560148917, 1120297834, 1680446751, 2240595668, 3360893502, 5041340253, 6721787004, 10082680506, 20165361012]

約数ペア:

[(1, 20165361012), (2, 10082680506), (3, 6721787004), (4, 5041340253), (6, 3360893502), (9, 2240595668), (12, 1680446751), (18, 1120297834), (36, 560148917), (43, 468961884), (86, 234480942), (103, 195780204), (129, 156320628), (172, 117240471), (206, 97890102), (258, 78160314), (309, 65260068), (387, 52106876), (412, 48945051), (516, 39080157), (618, 32630034), (774, 26053438), (927, 21753356), (1236, 16315017), (1548, 13026719), (1854, 10876678), (3708, 5438339), (4429, 4553028), (8858, 2276514), (13287, 1517676), (17716, 1138257), (26574, 758838), (39861, 505892), (53148, 379419), (79722, 252946), (126473, 159444)]