20171888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{114613}}^1$

素因数の和:114632

約数の個数: 20

約数和(自身を含む): 42636408

約数和(自身を除く): 22464520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 114613, 229226, 458452, 916904, 1260743, 1833808, 2521486, 5042972, 10085944, 20171888]

約数ペア:

[(1, 20171888), (2, 10085944), (4, 5042972), (8, 2521486), (11, 1833808), (16, 1260743), (22, 916904), (44, 458452), (88, 229226), (176, 114613)]