20325053

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 24744384

約数和(自身を除く): 4419331

約数列:

[1, 7, 41, 49, 67, 151, 287, 469, 1057, 2009, 2747, 3283, 6191, 7399, 10117, 19229, 43337, 70819, 134603, 303359, 414797, 495733, 2903579, 20325053]

約数ペア:

[(1, 20325053), (7, 2903579), (41, 495733), (49, 414797), (67, 303359), (151, 134603), (287, 70819), (469, 43337), (1057, 19229), (2009, 10117), (2747, 7399), (3283, 6191)]