20616412

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 36862560

約数和(自身を除く): 16246148

約数列:

[1, 2, 4, 71, 142, 229, 284, 317, 458, 634, 916, 1268, 16259, 22507, 32518, 45014, 65036, 72593, 90028, 145186, 290372, 5154103, 10308206, 20616412]

約数ペア:

[(1, 20616412), (2, 10308206), (4, 5154103), (71, 290372), (142, 145186), (229, 90028), (284, 72593), (317, 65036), (458, 45014), (634, 32518), (916, 22507), (1268, 16259)]