20102425209

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{787}}^1\times {\mathrm{3251}}^1$

素因数の和:4147

約数の個数: 40

約数和(自身を含む): 30387026208

約数和(自身を除く): 10284600999

約数列:

[1, 3, 9, 27, 81, 97, 291, 787, 873, 2361, 2619, 3251, 7083, 7857, 9753, 21249, 29259, 63747, 76339, 87777, 229017, 263331, 315347, 687051, 946041, 2061153, 2558537, 2838123, 6183459, 7675611, 8514369, 23026833, 25543107, 69080499, 207241497, 248178089, 744534267, 2233602801, 6700808403, 20102425209]

約数ペア:

[(1, 20102425209), (3, 6700808403), (9, 2233602801), (27, 744534267), (81, 248178089), (97, 207241497), (291, 69080499), (787, 25543107), (873, 23026833), (2361, 8514369), (2619, 7675611), (3251, 6183459), (7083, 2838123), (7857, 2558537), (9753, 2061153), (21249, 946041), (29259, 687051), (63747, 315347), (76339, 263331), (87777, 229017)]