20076008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 39852000

約数和(自身を除く): 19775992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 269, 491, 538, 982, 1076, 1964, 2152, 3928, 5111, 9329, 10222, 18658, 20444, 37316, 40888, 74632, 132079, 264158, 528316, 1056632, 2509501, 5019002, 10038004, 20076008]

約数ペア:

[(1, 20076008), (2, 10038004), (4, 5019002), (8, 2509501), (19, 1056632), (38, 528316), (76, 264158), (152, 132079), (269, 74632), (491, 40888), (538, 37316), (982, 20444), (1076, 18658), (1964, 10222), (2152, 9329), (3928, 5111)]