20211442

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7951}}^1$

素因数の和:8025

約数の個数: 16

約数和(自身を含む): 32062464

約数和(自身を除く): 11851022

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 7951, 15902, 246481, 325991, 492962, 651982, 10105721, 20211442]

約数ペア:

[(1, 20211442), (2, 10105721), (31, 651982), (41, 492962), (62, 325991), (82, 246481), (1271, 15902), (2542, 7951)]