20539120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36677}}^1$

素因数の和:36697

約数の個数: 40

約数和(自身を含む): 54576864

約数和(自身を除く): 34037744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36677, 73354, 146708, 183385, 256739, 293416, 366770, 513478, 586832, 733540, 1026956, 1283695, 1467080, 2053912, 2567390, 2934160, 4107824, 5134780, 10269560, 20539120]

約数ペア:

[(1, 20539120), (2, 10269560), (4, 5134780), (5, 4107824), (7, 2934160), (8, 2567390), (10, 2053912), (14, 1467080), (16, 1283695), (20, 1026956), (28, 733540), (35, 586832), (40, 513478), (56, 366770), (70, 293416), (80, 256739), (112, 183385), (140, 146708), (280, 73354), (560, 36677)]