20970590

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15307}}^1$

素因数の和:15451

約数の個数: 16

約数和(自身を含む): 38025072

約数和(自身を除く): 17054482

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 15307, 30614, 76535, 153070, 2097059, 4194118, 10485295, 20970590]

約数ペア:

[(1, 20970590), (2, 10485295), (5, 4194118), (10, 2097059), (137, 153070), (274, 76535), (685, 30614), (1370, 15307)]