20787298

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 37122048

約数和(自身を除く): 16334750

約数列:

[1, 2, 7, 14, 31, 62, 211, 217, 227, 422, 434, 454, 1477, 1589, 2954, 3178, 6541, 7037, 13082, 14074, 45787, 47897, 49259, 91574, 95794, 98518, 335279, 670558, 1484807, 2969614, 10393649, 20787298]

約数ペア:

[(1, 20787298), (2, 10393649), (7, 2969614), (14, 1484807), (31, 670558), (62, 335279), (211, 98518), (217, 95794), (227, 91574), (422, 49259), (434, 47897), (454, 45787), (1477, 14074), (1589, 13082), (2954, 7037), (3178, 6541)]