20982601160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12794269}}^1$

素因数の和:12794321

約数の個数: 32

約数和(自身を含む): 48362340600

約数和(自身を除く): 27379739440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12794269, 25588538, 51177076, 63971345, 102354152, 127942690, 255885380, 511770760, 524565029, 1049130058, 2098260116, 2622825145, 4196520232, 5245650290, 10491300580, 20982601160]

約数ペア:

[(1, 20982601160), (2, 10491300580), (4, 5245650290), (5, 4196520232), (8, 2622825145), (10, 2098260116), (20, 1049130058), (40, 524565029), (41, 511770760), (82, 255885380), (164, 127942690), (205, 102354152), (328, 63971345), (410, 51177076), (820, 25588538), (1640, 12794269)]