202080656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{664739}}^1$

素因数の和:664766

約数の個数: 20

約数和(自身を含む): 412138800

約数和(自身を除く): 210058144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 664739, 1329478, 2658956, 5317912, 10635824, 12630041, 25260082, 50520164, 101040328, 202080656]

約数ペア:

[(1, 202080656), (2, 101040328), (4, 50520164), (8, 25260082), (16, 12630041), (19, 10635824), (38, 5317912), (76, 2658956), (152, 1329478), (304, 664739)]