20161684123

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{15919}}^1$

素因数の和:16339

約数の個数: 32

約数和(自身を含む): 25308979200

約数和(自身を除く): 5147295077

約数列:

[1, 7, 17, 29, 119, 203, 367, 493, 2569, 3451, 6239, 10643, 15919, 43673, 74501, 111433, 180931, 270623, 461651, 1266517, 1894361, 3231557, 5842273, 7848067, 40895911, 54936469, 99318641, 169425917, 695230487, 1185981419, 2880240589, 20161684123]

約数ペア:

[(1, 20161684123), (7, 2880240589), (17, 1185981419), (29, 695230487), (119, 169425917), (203, 99318641), (367, 54936469), (493, 40895911), (2569, 7848067), (3451, 5842273), (6239, 3231557), (10643, 1894361), (15919, 1266517), (43673, 461651), (74501, 270623), (111433, 180931)]