20291215406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131761139}}^1$

素因数の和:131761159

約数の個数: 16

約数和(自身を含む): 37947208320

約数和(自身を除く): 17655992914

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131761139, 263522278, 922327973, 1449372529, 1844655946, 2898745058, 10145607703, 20291215406]

約数ペア:

[(1, 20291215406), (2, 10145607703), (7, 2898745058), (11, 1844655946), (14, 1449372529), (22, 922327973), (77, 263522278), (154, 131761139)]