20200425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 38628480

約数和(自身を除く): 18428055

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 109, 175, 327, 353, 525, 545, 763, 1059, 1635, 1765, 2289, 2471, 2725, 3815, 5295, 7413, 8175, 8825, 11445, 12355, 19075, 26475, 37065, 38477, 57225, 61775, 115431, 185325, 192385, 269339, 577155, 808017, 961925, 1346695, 2885775, 4040085, 6733475, 20200425]

約数ペア:

[(1, 20200425), (3, 6733475), (5, 4040085), (7, 2885775), (15, 1346695), (21, 961925), (25, 808017), (35, 577155), (75, 269339), (105, 192385), (109, 185325), (175, 115431), (327, 61775), (353, 57225), (525, 38477), (545, 37065), (763, 26475), (1059, 19075), (1635, 12355), (1765, 11445), (2289, 8825), (2471, 8175), (2725, 7413), (3815, 5295)]