20199759616

素因数分解:

$2^8\times {\mathrm{1103}}^1\times {\mathrm{71537}}^1$

素因数の和:72656

約数の個数: 36

約数和(自身を含む): 40357733472

約数和(自身を除く): 20157973856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1103, 2206, 4412, 8824, 17648, 35296, 70592, 71537, 141184, 143074, 282368, 286148, 572296, 1144592, 2289184, 4578368, 9156736, 18313472, 78905311, 157810622, 315621244, 631242488, 1262484976, 2524969952, 5049939904, 10099879808, 20199759616]

約数ペア:

[(1, 20199759616), (2, 10099879808), (4, 5049939904), (8, 2524969952), (16, 1262484976), (32, 631242488), (64, 315621244), (128, 157810622), (256, 78905311), (1103, 18313472), (2206, 9156736), (4412, 4578368), (8824, 2289184), (17648, 1144592), (35296, 572296), (70592, 286148), (71537, 282368), (141184, 143074)]