20108735990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{709}}^1\times {\mathrm{967}}^1$

素因数の和:2109

約数の個数: 64

約数和(自身を含む): 41566694400

約数和(自身を除く): 21457958410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 709, 838, 967, 1418, 1934, 2095, 2933, 3545, 4190, 4835, 4963, 5866, 6769, 7090, 9670, 9926, 13538, 14665, 24815, 29330, 33845, 49630, 67690, 297071, 405173, 594142, 685603, 810346, 1371206, 1485355, 2025865, 2079497, 2836211, 2970710, 3428015, 4051730, 4158994, 4799221, 5672422, 6856030, 9598442, 10397485, 14181055, 20794970, 23996105, 28362110, 47992210, 287267657, 574535314, 1436338285, 2010873599, 2872676570, 4021747198, 10054367995, 20108735990]

約数ペア:

[(1, 20108735990), (2, 10054367995), (5, 4021747198), (7, 2872676570), (10, 2010873599), (14, 1436338285), (35, 574535314), (70, 287267657), (419, 47992210), (709, 28362110), (838, 23996105), (967, 20794970), (1418, 14181055), (1934, 10397485), (2095, 9598442), (2933, 6856030), (3545, 5672422), (4190, 4799221), (4835, 4158994), (4963, 4051730), (5866, 3428015), (6769, 2970710), (7090, 2836211), (9670, 2079497), (9926, 2025865), (13538, 1485355), (14665, 1371206), (24815, 810346), (29330, 685603), (33845, 594142), (49630, 405173), (67690, 297071)]