20729226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6761}}^1$

素因数の和:6846

約数の個数: 32

約数和(自身を含む): 48037248

約数和(自身を除く): 27308022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6761, 13522, 20283, 40566, 47327, 94654, 141981, 283962, 493553, 987106, 1480659, 2961318, 3454871, 6909742, 10364613, 20729226]

約数ペア:

[(1, 20729226), (2, 10364613), (3, 6909742), (6, 3454871), (7, 2961318), (14, 1480659), (21, 987106), (42, 493553), (73, 283962), (146, 141981), (219, 94654), (438, 47327), (511, 40566), (1022, 20283), (1533, 13522), (3066, 6761)]