20209910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4733}}^1$

素因数の和:4808

約数の個数: 32

約数和(自身を含む): 42265152

約数和(自身を除く): 22055242

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4733, 9466, 23665, 33131, 47330, 66262, 165655, 288713, 331310, 577426, 1443565, 2020991, 2887130, 4041982, 10104955, 20209910]

約数ペア:

[(1, 20209910), (2, 10104955), (5, 4041982), (7, 2887130), (10, 2020991), (14, 1443565), (35, 577426), (61, 331310), (70, 288713), (122, 165655), (305, 66262), (427, 47330), (610, 33131), (854, 23665), (2135, 9466), (4270, 4733)]