20184501790

素因数分解:

$2^1\times 5^1\times {\mathrm{78487}}^1\times {\mathrm{25717}}^1$

素因数の和:104211

約数の個数: 16

約数和(自身を含む): 36333978912

約数和(自身を除く): 16149477122

約数列:

[1, 2, 5, 10, 25717, 51434, 78487, 128585, 156974, 257170, 392435, 784870, 2018450179, 4036900358, 10092250895, 20184501790]

約数ペア:

[(1, 20184501790), (2, 10092250895), (5, 4036900358), (10, 2018450179), (25717, 784870), (51434, 392435), (78487, 257170), (128585, 156974)]