20584140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6473}}^1$

素因数の和:6538

約数の個数: 48

約数和(自身を含む): 58732128

約数和(自身を除く): 38147988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6473, 12946, 19419, 25892, 32365, 38838, 64730, 77676, 97095, 129460, 194190, 343069, 388380, 686138, 1029207, 1372276, 1715345, 2058414, 3430690, 4116828, 5146035, 6861380, 10292070, 20584140]

約数ペア:

[(1, 20584140), (2, 10292070), (3, 6861380), (4, 5146035), (5, 4116828), (6, 3430690), (10, 2058414), (12, 1715345), (15, 1372276), (20, 1029207), (30, 686138), (53, 388380), (60, 343069), (106, 194190), (159, 129460), (212, 97095), (265, 77676), (318, 64730), (530, 38838), (636, 32365), (795, 25892), (1060, 19419), (1590, 12946), (3180, 6473)]