20661036100

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{660097}}^1$

素因数の和:660424

約数の個数: 36

約数和(自身を含む): 44977757524

約数和(自身を除く): 24316721424

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 626, 1252, 1565, 3130, 6260, 7825, 15650, 31300, 660097, 1320194, 2640388, 3300485, 6600970, 13201940, 16502425, 33004850, 66009700, 206610361, 413220722, 826441444, 1033051805, 2066103610, 4132207220, 5165259025, 10330518050, 20661036100]

約数ペア:

[(1, 20661036100), (2, 10330518050), (4, 5165259025), (5, 4132207220), (10, 2066103610), (20, 1033051805), (25, 826441444), (50, 413220722), (100, 206610361), (313, 66009700), (626, 33004850), (1252, 16502425), (1565, 13201940), (3130, 6600970), (6260, 3300485), (7825, 2640388), (15650, 1320194), (31300, 660097)]