20991597342

素因数分解:

$2^1\times 3^1\times {\mathrm{3709}}^1\times {\mathrm{943273}}^1$

素因数の和:946987

約数の個数: 16

約数和(自身を含む): 41994558480

約数和(自身を除く): 21002961138

約数列:

[1, 2, 3, 6, 3709, 7418, 11127, 22254, 943273, 1886546, 2829819, 5659638, 3498599557, 6997199114, 10495798671, 20991597342]

約数ペア:

[(1, 20991597342), (2, 10495798671), (3, 6997199114), (6, 3498599557), (3709, 5659638), (7418, 2829819), (11127, 1886546), (22254, 943273)]