20541768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65839}}^1$

素因数の和:65861

約数の個数: 32

約数和(自身を含む): 55305600

約数和(自身を除く): 34763832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65839, 131678, 197517, 263356, 395034, 526712, 790068, 855907, 1580136, 1711814, 2567721, 3423628, 5135442, 6847256, 10270884, 20541768]

約数ペア:

[(1, 20541768), (2, 10270884), (3, 6847256), (4, 5135442), (6, 3423628), (8, 2567721), (12, 1711814), (13, 1580136), (24, 855907), (26, 790068), (39, 526712), (52, 395034), (78, 263356), (104, 197517), (156, 131678), (312, 65839)]