20194678

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{653}}^1$

素因数の和:756

約数の個数: 24

約数和(自身を含む): 35425872

約数和(自身を除く): 15231194

約数列:

[1, 2, 7, 14, 47, 94, 329, 653, 658, 1306, 2209, 4418, 4571, 9142, 15463, 30691, 30926, 61382, 214837, 429674, 1442477, 2884954, 10097339, 20194678]

約数ペア:

[(1, 20194678), (2, 10097339), (7, 2884954), (14, 1442477), (47, 429674), (94, 214837), (329, 61382), (653, 30926), (658, 30691), (1306, 15463), (2209, 9142), (4418, 4571)]