20179940935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{81517}}^1$

素因数の和:82183

約数の個数: 32

約数和(自身を含む): 30238612992

約数和(自身を除く): 10058672057

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 643, 3215, 4501, 7073, 22505, 35365, 49511, 81517, 247555, 407585, 570619, 896687, 2853095, 4483435, 6276809, 31384045, 52415431, 262077155, 366908017, 576569741, 1834540085, 2882848705, 4035988187, 20179940935]

約数ペア:

[(1, 20179940935), (5, 4035988187), (7, 2882848705), (11, 1834540085), (35, 576569741), (55, 366908017), (77, 262077155), (385, 52415431), (643, 31384045), (3215, 6276809), (4501, 4483435), (7073, 2853095), (22505, 896687), (35365, 570619), (49511, 407585), (81517, 247555)]