20736780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6521}}^1$

素因数の和:6586

約数の個数: 48

約数和(自身を含む): 59167584

約数和(自身を除く): 38430804

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, 6521, 13042, 19563, 26084, 32605, 39126, 65210, 78252, 97815, 130420, 195630, 345613, 391260, 691226, 1036839, 1382452, 1728065, 2073678, 3456130, 4147356, 5184195, 6912260, 10368390, 20736780]

約数ペア:

[(1, 20736780), (2, 10368390), (3, 6912260), (4, 5184195), (5, 4147356), (6, 3456130), (10, 2073678), (12, 1728065), (15, 1382452), (20, 1036839), (30, 691226), (53, 391260), (60, 345613), (106, 195630), (159, 130420), (212, 97815), (265, 78252), (318, 65210), (530, 39126), (636, 32605), (795, 26084), (1060, 19563), (1590, 13042), (3180, 6521)]