54369820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19843}}^1$

素因数の和:19989

約数の個数: 24

約数和(自身を含む): 115015824

約数和(自身を除く): 60646004

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 19843, 39686, 79372, 99215, 198430, 396860, 2718491, 5436982, 10873964, 13592455, 27184910, 54369820]

約数ペア:

[(1, 54369820), (2, 27184910), (4, 13592455), (5, 10873964), (10, 5436982), (20, 2718491), (137, 396860), (274, 198430), (548, 99215), (685, 79372), (1370, 39686), (2740, 19843)]