20199031853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20178853}}^1$

素因数の和:20178884

約数の個数: 16

約数和(自身を含む): 27120379776

約数和(自身を除く): 6921347923

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20178853, 141251971, 221967383, 262325089, 1553771681, 1836275623, 2885575979, 20199031853]

約数ペア:

[(1, 20199031853), (7, 2885575979), (11, 1836275623), (13, 1553771681), (77, 262325089), (91, 221967383), (143, 141251971), (1001, 20178853)]