20199078753

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{80309}}^1$

素因数の和:80414

約数の個数: 48

約数和(自身を含む): 32959224000

約数和(自身を除く): 12760145247

約数列:

[1, 3, 7, 21, 29, 49, 59, 87, 147, 177, 203, 413, 609, 1239, 1421, 1711, 2891, 4263, 5133, 8673, 11977, 35931, 80309, 83839, 240927, 251517, 562163, 1686489, 2328961, 3935141, 4738231, 6986883, 11805423, 14214693, 16302727, 33167617, 48908181, 99502851, 114119089, 137408699, 232173319, 342357267, 412226097, 696519957, 961860893, 2885582679, 6733026251, 20199078753]

約数ペア:

[(1, 20199078753), (3, 6733026251), (7, 2885582679), (21, 961860893), (29, 696519957), (49, 412226097), (59, 342357267), (87, 232173319), (147, 137408699), (177, 114119089), (203, 99502851), (413, 48908181), (609, 33167617), (1239, 16302727), (1421, 14214693), (1711, 11805423), (2891, 6986883), (4263, 4738231), (5133, 3935141), (8673, 2328961), (11977, 1686489), (35931, 562163), (80309, 251517), (83839, 240927)]