20161749008

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{2131}}^1\times {\mathrm{5741}}^1$

素因数の和:7983

約数の個数: 40

約数和(自身を含む): 39468027456

約数和(自身を除く): 19306278448

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 2131, 4262, 5741, 8524, 11482, 17048, 22964, 34096, 45928, 91856, 219493, 438986, 591323, 877972, 1182646, 1755944, 2365292, 3511888, 4730584, 9461168, 12234071, 24468142, 48936284, 97872568, 195745136, 1260109313, 2520218626, 5040437252, 10080874504, 20161749008]

約数ペア:

[(1, 20161749008), (2, 10080874504), (4, 5040437252), (8, 2520218626), (16, 1260109313), (103, 195745136), (206, 97872568), (412, 48936284), (824, 24468142), (1648, 12234071), (2131, 9461168), (4262, 4730584), (5741, 3511888), (8524, 2365292), (11482, 1755944), (17048, 1182646), (22964, 877972), (34096, 591323), (45928, 438986), (91856, 219493)]