20178390978

素因数分解:

$2^1\times 3^5\times {\mathrm{31}}^1\times {\mathrm{1339333}}^1$

素因数の和:1339381

約数の個数: 48

約数和(自身を含む): 46801687296

約数和(自身を除く): 26623296318

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 243, 279, 486, 558, 837, 1674, 2511, 5022, 7533, 15066, 1339333, 2678666, 4017999, 8035998, 12053997, 24107994, 36161991, 41519323, 72323982, 83038646, 108485973, 124557969, 216971946, 249115938, 325457919, 373673907, 650915838, 747347814, 1121021721, 2242043442, 3363065163, 6726130326, 10089195489, 20178390978]

約数ペア:

[(1, 20178390978), (2, 10089195489), (3, 6726130326), (6, 3363065163), (9, 2242043442), (18, 1121021721), (27, 747347814), (31, 650915838), (54, 373673907), (62, 325457919), (81, 249115938), (93, 216971946), (162, 124557969), (186, 108485973), (243, 83038646), (279, 72323982), (486, 41519323), (558, 36161991), (837, 24107994), (1674, 12053997), (2511, 8035998), (5022, 4017999), (7533, 2678666), (15066, 1339333)]