20745262

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8161}}^1$

素因数の和:8235

約数の個数: 16

約数和(自身を含む): 32909184

約数和(自身を除く): 12163922

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8161, 16322, 252991, 334601, 505982, 669202, 10372631, 20745262]

約数ペア:

[(1, 20745262), (2, 10372631), (31, 669202), (41, 505982), (62, 334601), (82, 252991), (1271, 16322), (2542, 8161)]