20874028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43853}}^1$

素因数の和:43881

約数の個数: 24

約数和(自身を含む): 44204832

約数和(自身を除く): 23330804

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43853, 87706, 175412, 306971, 613942, 745501, 1227884, 1491002, 2982004, 5218507, 10437014, 20874028]

約数ペア:

[(1, 20874028), (2, 10437014), (4, 5218507), (7, 2982004), (14, 1491002), (17, 1227884), (28, 745501), (34, 613942), (68, 306971), (119, 175412), (238, 87706), (476, 43853)]