20965700161

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 24519905280

約数和(自身を除く): 3554205119

約数列:

[1, 7, 103, 107, 359, 721, 749, 757, 2513, 5299, 11021, 36977, 38413, 77147, 77971, 80999, 258839, 268891, 271763, 545797, 566993, 1902341, 3956539, 8342897, 27695773, 27991589, 29078641, 58400279, 195941123, 203550487, 2995100023, 20965700161]

約数ペア:

[(1, 20965700161), (7, 2995100023), (103, 203550487), (107, 195941123), (359, 58400279), (721, 29078641), (749, 27991589), (757, 27695773), (2513, 8342897), (5299, 3956539), (11021, 1902341), (36977, 566993), (38413, 545797), (77147, 271763), (77971, 268891), (80999, 258839)]