20161789437

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1\times {\mathrm{827}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 27328610304

約数和(自身を除く): 7166820867

約数列:

[1, 3, 157, 191, 271, 471, 573, 813, 827, 2481, 29987, 42547, 51761, 89961, 127641, 129839, 155283, 157957, 224117, 389517, 473871, 672351, 8126477, 24379431, 24799249, 35186369, 42806347, 74397747, 105559107, 128419041, 6720596479, 20161789437]

約数ペア:

[(1, 20161789437), (3, 6720596479), (157, 128419041), (191, 105559107), (271, 74397747), (471, 42806347), (573, 35186369), (813, 24799249), (827, 24379431), (2481, 8126477), (29987, 672351), (42547, 473871), (51761, 389517), (89961, 224117), (127641, 157957), (129839, 155283)]