19922660

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3203}}^1$

素因数の和:3523

約数の個数: 24

約数和(自身を含む): 41985216

約数和(自身を除く): 22062556

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 3203, 6220, 6406, 12812, 16015, 32030, 64060, 996133, 1992266, 3984532, 4980665, 9961330, 19922660]

約数ペア:

[(1, 19922660), (2, 9961330), (4, 4980665), (5, 3984532), (10, 1992266), (20, 996133), (311, 64060), (622, 32030), (1244, 16015), (1555, 12812), (3110, 6406), (3203, 6220)]