20200109392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{292993}}^1$

素因数の和:293171

約数の個数: 40

約数和(自身を含む): 40691006720

約数和(自身を除く): 20490897328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 4309, 8618, 17236, 34472, 68944, 292993, 585986, 1171972, 2343944, 4687888, 9082783, 18165566, 36331132, 40726027, 72662264, 81452054, 145324528, 162904108, 325808216, 651616432, 1262506837, 2525013674, 5050027348, 10100054696, 20200109392]

約数ペア:

[(1, 20200109392), (2, 10100054696), (4, 5050027348), (8, 2525013674), (16, 1262506837), (31, 651616432), (62, 325808216), (124, 162904108), (139, 145324528), (248, 81452054), (278, 72662264), (496, 40726027), (556, 36331132), (1112, 18165566), (2224, 9082783), (4309, 4687888), (8618, 2343944), (17236, 1171972), (34472, 585986), (68944, 292993)]