20679295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 10544513

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 967, 1645, 3055, 4277, 4835, 6769, 12571, 21385, 33845, 45449, 62855, 87997, 227245, 318143, 439985, 590837, 1590715, 2954185, 4135859, 20679295]

約数ペア:

[(1, 20679295), (5, 4135859), (7, 2954185), (13, 1590715), (35, 590837), (47, 439985), (65, 318143), (91, 227245), (235, 87997), (329, 62855), (455, 45449), (611, 33845), (967, 21385), (1645, 12571), (3055, 6769), (4277, 4835)]