20395474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 15374126

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 827, 1121, 1298, 1654, 2242, 9097, 12331, 15713, 18194, 24662, 31426, 48793, 97586, 172843, 345686, 536723, 927067, 1073446, 1854134, 10197737, 20395474]

約数ペア:

[(1, 20395474), (2, 10197737), (11, 1854134), (19, 1073446), (22, 927067), (38, 536723), (59, 345686), (118, 172843), (209, 97586), (418, 48793), (649, 31426), (827, 24662), (1121, 18194), (1298, 15713), (1654, 12331), (2242, 9097)]