20212654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131251}}^1$

素因数の和:131271

約数の個数: 16

約数和(自身を含む): 37800576

約数和(自身を除く): 17587922

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131251, 262502, 918757, 1443761, 1837514, 2887522, 10106327, 20212654]

約数ペア:

[(1, 20212654), (2, 10106327), (7, 2887522), (11, 1837514), (14, 1443761), (22, 918757), (77, 262502), (154, 131251)]