20191904680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{148339}}^1$

素因数の和:148474

約数の個数: 64

約数和(自身を含む): 47100916800

約数和(自身を除く): 26909012120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 664, 820, 830, 1640, 1660, 3320, 3403, 6806, 13612, 17015, 27224, 34030, 68060, 136120, 148339, 296678, 593356, 741695, 1186712, 1483390, 2966780, 5933560, 6081899, 12163798, 12312137, 24327596, 24624274, 30409495, 48655192, 49248548, 60818990, 61560685, 98497096, 121637980, 123121370, 243275960, 246242740, 492485480, 504797617, 1009595234, 2019190468, 2523988085, 4038380936, 5047976170, 10095952340, 20191904680]

約数ペア:

[(1, 20191904680), (2, 10095952340), (4, 5047976170), (5, 4038380936), (8, 2523988085), (10, 2019190468), (20, 1009595234), (40, 504797617), (41, 492485480), (82, 246242740), (83, 243275960), (164, 123121370), (166, 121637980), (205, 98497096), (328, 61560685), (332, 60818990), (410, 49248548), (415, 48655192), (664, 30409495), (820, 24624274), (830, 24327596), (1640, 12312137), (1660, 12163798), (3320, 6081899), (3403, 5933560), (6806, 2966780), (13612, 1483390), (17015, 1186712), (27224, 741695), (34030, 593356), (68060, 296678), (136120, 148339)]