20335240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4003}}^1$

素因数の和:4141

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 25790840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 4003, 5080, 8006, 16012, 20015, 32024, 40030, 80060, 160120, 508381, 1016762, 2033524, 2541905, 4067048, 5083810, 10167620, 20335240]

約数ペア:

[(1, 20335240), (2, 10167620), (4, 5083810), (5, 4067048), (8, 2541905), (10, 2033524), (20, 1016762), (40, 508381), (127, 160120), (254, 80060), (508, 40030), (635, 32024), (1016, 20015), (1270, 16012), (2540, 8006), (4003, 5080)]