20802019917

素因数分解:

$3^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{1129501}}^1$

素因数の和:1130388

約数の個数: 16

約数和(自身を含む): 31734488192

約数和(自身を除く): 10932468275

約数列:

[1, 3, 7, 21, 877, 2631, 6139, 18417, 1129501, 3388503, 7906507, 23719521, 990572377, 2971717131, 6934006639, 20802019917]

約数ペア:

[(1, 20802019917), (3, 6934006639), (7, 2971717131), (21, 990572377), (877, 23719521), (2631, 7906507), (6139, 3388503), (18417, 1129501)]