15720124

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{907}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 31525760

約数和(自身を除く): 15805636

約数列:

[1, 2, 4, 7, 14, 28, 619, 907, 1238, 1814, 2476, 3628, 4333, 6349, 8666, 12698, 17332, 25396, 561433, 1122866, 2245732, 3930031, 7860062, 15720124]

約数ペア:

[(1, 15720124), (2, 7860062), (4, 3930031), (7, 2245732), (14, 1122866), (28, 561433), (619, 25396), (907, 17332), (1238, 12698), (1814, 8666), (2476, 6349), (3628, 4333)]