20446280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26903}}^1$

素因数の和:26933

約数の個数: 32

約数和(自身を含む): 48427200

約数和(自身を除く): 27980920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26903, 53806, 107612, 134515, 215224, 269030, 511157, 538060, 1022314, 1076120, 2044628, 2555785, 4089256, 5111570, 10223140, 20446280]

約数ペア:

[(1, 20446280), (2, 10223140), (4, 5111570), (5, 4089256), (8, 2555785), (10, 2044628), (19, 1076120), (20, 1022314), (38, 538060), (40, 511157), (76, 269030), (95, 215224), (152, 134515), (190, 107612), (380, 53806), (760, 26903)]