20350480

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 47711232

約数和(自身を除く): 27360752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2003, 2032, 2540, 4006, 5080, 8012, 10015, 10160, 16024, 20030, 32048, 40060, 80120, 160240, 254381, 508762, 1017524, 1271905, 2035048, 2543810, 4070096, 5087620, 10175240, 20350480]

約数ペア:

[(1, 20350480), (2, 10175240), (4, 5087620), (5, 4070096), (8, 2543810), (10, 2035048), (16, 1271905), (20, 1017524), (40, 508762), (80, 254381), (127, 160240), (254, 80120), (508, 40060), (635, 32048), (1016, 20030), (1270, 16024), (2003, 10160), (2032, 10015), (2540, 8012), (4006, 5080)]