20894706

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 53544960

約数和(自身を除く): 32650254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 167, 189, 331, 334, 378, 501, 662, 993, 1002, 1169, 1503, 1986, 2317, 2338, 2979, 3006, 3507, 4509, 4634, 5958, 6951, 7014, 8937, 9018, 10521, 13902, 17874, 20853, 21042, 31563, 41706, 55277, 62559, 63126, 110554, 125118, 165831, 331662, 386939, 497493, 773878, 994986, 1160817, 1492479, 2321634, 2984958, 3482451, 6964902, 10447353, 20894706]

約数ペア:

[(1, 20894706), (2, 10447353), (3, 6964902), (6, 3482451), (7, 2984958), (9, 2321634), (14, 1492479), (18, 1160817), (21, 994986), (27, 773878), (42, 497493), (54, 386939), (63, 331662), (126, 165831), (167, 125118), (189, 110554), (331, 63126), (334, 62559), (378, 55277), (501, 41706), (662, 31563), (993, 21042), (1002, 20853), (1169, 17874), (1503, 13902), (1986, 10521), (2317, 9018), (2338, 8937), (2979, 7014), (3006, 6951), (3507, 5958), (4509, 4634)]