20565238880

素因数分解:

$2^5\times 5^1\times {\mathrm{23623}}^1\times {\mathrm{5441}}^1$

素因数の和:29079

約数の個数: 48

約数和(自身を含む): 48596363424

約数和(自身を除く): 28031124544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5441, 10882, 21764, 23623, 27205, 43528, 47246, 54410, 87056, 94492, 108820, 118115, 174112, 188984, 217640, 236230, 377968, 435280, 472460, 755936, 870560, 944920, 1889840, 3779680, 128532743, 257065486, 514130972, 642663715, 1028261944, 1285327430, 2056523888, 2570654860, 4113047776, 5141309720, 10282619440, 20565238880]

約数ペア:

[(1, 20565238880), (2, 10282619440), (4, 5141309720), (5, 4113047776), (8, 2570654860), (10, 2056523888), (16, 1285327430), (20, 1028261944), (32, 642663715), (40, 514130972), (80, 257065486), (160, 128532743), (5441, 3779680), (10882, 1889840), (21764, 944920), (23623, 870560), (27205, 755936), (43528, 472460), (47246, 435280), (54410, 377968), (87056, 236230), (94492, 217640), (108820, 188984), (118115, 174112)]