20511712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49307}}^1$

素因数の和:49330

約数の個数: 24

約数和(自身を含む): 43489656

約数和(自身を除く): 22977944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49307, 98614, 197228, 394456, 640991, 788912, 1281982, 1577824, 2563964, 5127928, 10255856, 20511712]

約数ペア:

[(1, 20511712), (2, 10255856), (4, 5127928), (8, 2563964), (13, 1577824), (16, 1281982), (26, 788912), (32, 640991), (52, 394456), (104, 197228), (208, 98614), (416, 49307)]