20656470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1223}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 49704192

約数和(自身を除く): 29047722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 563, 1126, 1223, 1689, 2446, 2815, 3378, 3669, 5630, 6115, 7338, 8445, 12230, 16890, 18345, 36690, 688549, 1377098, 2065647, 3442745, 4131294, 6885490, 10328235, 20656470]

約数ペア:

[(1, 20656470), (2, 10328235), (3, 6885490), (5, 4131294), (6, 3442745), (10, 2065647), (15, 1377098), (30, 688549), (563, 36690), (1126, 18345), (1223, 16890), (1689, 12230), (2446, 8445), (2815, 7338), (3378, 6115), (3669, 5630)]