20893996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3089}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 38934000

約数和(自身を除く): 18040004

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3089, 3382, 6178, 6764, 12356, 58691, 117382, 234764, 274921, 549842, 1099684, 5223499, 10446998, 20893996]

約数ペア:

[(1, 20893996), (2, 10446998), (4, 5223499), (19, 1099684), (38, 549842), (76, 274921), (89, 234764), (178, 117382), (356, 58691), (1691, 12356), (3089, 6764), (3382, 6178)]