20793037880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3968137}}^1$

素因数の和:3968279

約数の個数: 32

約数和(自身を含む): 47141479440

約数和(自身を除く): 26348441560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 3968137, 7936274, 15872548, 19840685, 31745096, 39681370, 79362740, 158725480, 519825947, 1039651894, 2079303788, 2599129735, 4158607576, 5198259470, 10396518940, 20793037880]

約数ペア:

[(1, 20793037880), (2, 10396518940), (4, 5198259470), (5, 4158607576), (8, 2599129735), (10, 2079303788), (20, 1039651894), (40, 519825947), (131, 158725480), (262, 79362740), (524, 39681370), (655, 31745096), (1048, 19840685), (1310, 15872548), (2620, 7936274), (5240, 3968137)]