20723218480

素因数分解:

$2^4\times 5^1\times {\mathrm{259040231}}^1$

素因数の和:259040244

約数の個数: 20

約数和(自身を含む): 48181483152

約数和(自身を除く): 27458264672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 259040231, 518080462, 1036160924, 1295201155, 2072321848, 2590402310, 4144643696, 5180804620, 10361609240, 20723218480]

約数ペア:

[(1, 20723218480), (2, 10361609240), (4, 5180804620), (5, 4144643696), (8, 2590402310), (10, 2072321848), (16, 1295201155), (20, 1036160924), (40, 518080462), (80, 259040231)]