20006578880

素因数分解:

$2^6\times 5^1\times {\mathrm{467}}^1\times {\mathrm{133877}}^1$

素因数の和:134361

約数の個数: 56

約数和(自身を含む): 47743036848

約数和(自身を除く): 27736457968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 467, 934, 1868, 2335, 3736, 4670, 7472, 9340, 14944, 18680, 29888, 37360, 74720, 133877, 149440, 267754, 535508, 669385, 1071016, 1338770, 2142032, 2677540, 4284064, 5355080, 8568128, 10710160, 21420320, 42840640, 62520559, 125041118, 250082236, 312602795, 500164472, 625205590, 1000328944, 1250411180, 2000657888, 2500822360, 4001315776, 5001644720, 10003289440, 20006578880]

約数ペア:

[(1, 20006578880), (2, 10003289440), (4, 5001644720), (5, 4001315776), (8, 2500822360), (10, 2000657888), (16, 1250411180), (20, 1000328944), (32, 625205590), (40, 500164472), (64, 312602795), (80, 250082236), (160, 125041118), (320, 62520559), (467, 42840640), (934, 21420320), (1868, 10710160), (2335, 8568128), (3736, 5355080), (4670, 4284064), (7472, 2677540), (9340, 2142032), (14944, 1338770), (18680, 1071016), (29888, 669385), (37360, 535508), (74720, 267754), (133877, 149440)]