20146445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 8780275

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 493, 743, 935, 1595, 2465, 3715, 5423, 8173, 12631, 21547, 27115, 40865, 63155, 107735, 138941, 237017, 366299, 694705, 1185085, 1831495, 4029289, 20146445]

約数ペア:

[(1, 20146445), (5, 4029289), (11, 1831495), (17, 1185085), (29, 694705), (55, 366299), (85, 237017), (145, 138941), (187, 107735), (319, 63155), (493, 40865), (743, 27115), (935, 21547), (1595, 12631), (2465, 8173), (3715, 5423)]