20052970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9241}}^1$

素因数の和:9286

約数の個数: 32

約数和(自身を含む): 42587136

約数和(自身を除く): 22534166

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9241, 18482, 46205, 64687, 92410, 129374, 286471, 323435, 572942, 646870, 1432355, 2005297, 2864710, 4010594, 10026485, 20052970]

約数ペア:

[(1, 20052970), (2, 10026485), (5, 4010594), (7, 2864710), (10, 2005297), (14, 1432355), (31, 646870), (35, 572942), (62, 323435), (70, 286471), (155, 129374), (217, 92410), (310, 64687), (434, 46205), (1085, 18482), (2170, 9241)]