12696220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8941}}^1$

素因数の和:9021

約数の個数: 24

約数和(自身を含む): 27040608

約数和(自身を除く): 14344388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8941, 17882, 35764, 44705, 89410, 178820, 634811, 1269622, 2539244, 3174055, 6348110, 12696220]

約数ペア:

[(1, 12696220), (2, 6348110), (4, 3174055), (5, 2539244), (10, 1269622), (20, 634811), (71, 178820), (142, 89410), (284, 44705), (355, 35764), (710, 17882), (1420, 8941)]