20201402221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1\times {\mathrm{7159}}^1$

素因数の和:10009

約数の個数: 32

約数和(自身を含む): 27136972800

約数和(自身を除く): 6935570579

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 2819, 7159, 19733, 31009, 36647, 50113, 78749, 93067, 217063, 256529, 403117, 551243, 651469, 1023737, 2821819, 7166159, 20181221, 141268547, 221993431, 262355873, 1553954017, 1836491111, 2885914603, 20201402221]

約数ペア:

[(1, 20201402221), (7, 2885914603), (11, 1836491111), (13, 1553954017), (77, 262355873), (91, 221993431), (143, 141268547), (1001, 20181221), (2819, 7166159), (7159, 2821819), (19733, 1023737), (31009, 651469), (36647, 551243), (50113, 403117), (78749, 256529), (93067, 217063)]