17955220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6553}}^1$

素因数の和:6699

約数の個数: 24

約数和(自身を含む): 37986984

約数和(自身を除く): 20031764

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6553, 13106, 26212, 32765, 65530, 131060, 897761, 1795522, 3591044, 4488805, 8977610, 17955220]

約数ペア:

[(1, 17955220), (2, 8977610), (4, 4488805), (5, 3591044), (10, 1795522), (20, 897761), (137, 131060), (274, 65530), (548, 32765), (685, 26212), (1370, 13106), (2740, 6553)]