20178385934

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1\times {\mathrm{23509}}^1$

素因数の和:25212

約数の個数: 32

約数和(自身を含む): 35549376960

約数和(自身を除く): 15370991026

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1657, 3314, 11599, 23198, 23509, 47018, 61309, 122618, 164563, 329126, 429163, 858326, 869833, 1739666, 6088831, 12177662, 38954413, 77908826, 272680891, 545361782, 1441313281, 2882626562, 10089192967, 20178385934]

約数ペア:

[(1, 20178385934), (2, 10089192967), (7, 2882626562), (14, 1441313281), (37, 545361782), (74, 272680891), (259, 77908826), (518, 38954413), (1657, 12177662), (3314, 6088831), (11599, 1739666), (23198, 869833), (23509, 858326), (47018, 429163), (61309, 329126), (122618, 164563)]