20911960900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{136057}}^1$

素因数の和:136153

約数の個数: 72

約数和(自身を含む): 47829829320

約数和(自身を除く): 26917868420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 145, 212, 265, 290, 530, 580, 725, 1060, 1325, 1450, 1537, 2650, 2900, 3074, 5300, 6148, 7685, 15370, 30740, 38425, 76850, 136057, 153700, 272114, 544228, 680285, 1360570, 2721140, 3401425, 3945653, 6802850, 7211021, 7891306, 13605700, 14422042, 15782612, 19728265, 28844084, 36055105, 39456530, 72110210, 78913060, 98641325, 144220420, 180275525, 197282650, 209119609, 360551050, 394565300, 418239218, 721102100, 836478436, 1045598045, 2091196090, 4182392180, 5227990225, 10455980450, 20911960900]

約数ペア:

[(1, 20911960900), (2, 10455980450), (4, 5227990225), (5, 4182392180), (10, 2091196090), (20, 1045598045), (25, 836478436), (29, 721102100), (50, 418239218), (53, 394565300), (58, 360551050), (100, 209119609), (106, 197282650), (116, 180275525), (145, 144220420), (212, 98641325), (265, 78913060), (290, 72110210), (530, 39456530), (580, 36055105), (725, 28844084), (1060, 19728265), (1325, 15782612), (1450, 14422042), (1537, 13605700), (2650, 7891306), (2900, 7211021), (3074, 6802850), (5300, 3945653), (6148, 3401425), (7685, 2721140), (15370, 1360570), (30740, 680285), (38425, 544228), (76850, 272114), (136057, 153700)]