20339813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 23181312

約数和(自身を除く): 2841499

約数列:

[1, 13, 31, 41, 403, 533, 1231, 1271, 16003, 16523, 38161, 50471, 496093, 656123, 1564601, 20339813]

約数ペア:

[(1, 20339813), (13, 1564601), (31, 656123), (41, 496093), (403, 50471), (533, 38161), (1231, 16523), (1271, 16003)]