20163816891

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3506141}}^1$

素因数の和:3506224

約数の個数: 20

約数和(自身を含む): 30545509104

約数和(自身を除く): 10381692213

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 3506141, 10518423, 31555269, 94665807, 248936011, 283997421, 746808033, 2240424099, 6721272297, 20163816891]

約数ペア:

[(1, 20163816891), (3, 6721272297), (9, 2240424099), (27, 746808033), (71, 283997421), (81, 248936011), (213, 94665807), (639, 31555269), (1917, 10518423), (5751, 3506141)]