20621958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16931}}^1$

素因数の和:16972

約数の個数: 32

約数和(自身を含む): 48764160

約数和(自身を除く): 28142202

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 16931, 33862, 50793, 101586, 118517, 237034, 355551, 490999, 711102, 981998, 1472997, 2945994, 3436993, 6873986, 10310979, 20621958]

約数ペア:

[(1, 20621958), (2, 10310979), (3, 6873986), (6, 3436993), (7, 2945994), (14, 1472997), (21, 981998), (29, 711102), (42, 490999), (58, 355551), (87, 237034), (174, 118517), (203, 101586), (406, 50793), (609, 33862), (1218, 16931)]