20417240

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1093}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 46079280

約数和(自身を除く): 25662040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1093, 1868, 2186, 2335, 3736, 4372, 4670, 5465, 8744, 9340, 10930, 18680, 21860, 43720, 510431, 1020862, 2041724, 2552155, 4083448, 5104310, 10208620, 20417240]

約数ペア:

[(1, 20417240), (2, 10208620), (4, 5104310), (5, 4083448), (8, 2552155), (10, 2041724), (20, 1020862), (40, 510431), (467, 43720), (934, 21860), (1093, 18680), (1868, 10930), (2186, 9340), (2335, 8744), (3736, 5465), (4372, 4670)]