20007949828

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{1951}}^1\times {\mathrm{26431}}^1$

素因数の和:28483

約数の個数: 24

約数和(自身を含む): 35394351104

約数和(自身を除く): 15386401276

約数列:

[1, 2, 4, 97, 194, 388, 1951, 3902, 7804, 26431, 52862, 105724, 189247, 378494, 756988, 2563807, 5127614, 10255228, 51566881, 103133762, 206267524, 5001987457, 10003974914, 20007949828]

約数ペア:

[(1, 20007949828), (2, 10003974914), (4, 5001987457), (97, 206267524), (194, 103133762), (388, 51566881), (1951, 10255228), (3902, 5127614), (7804, 2563807), (26431, 756988), (52862, 378494), (105724, 189247)]