20787003670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{45053}}^1$

素因数の和:45169

約数の個数: 64

約数和(自身を含む): 40678355520

約数和(自身を除く): 19891351850

約数列:

[1, 2, 5, 10, 29, 37, 43, 58, 74, 86, 145, 185, 215, 290, 370, 430, 1073, 1247, 1591, 2146, 2494, 3182, 5365, 6235, 7955, 10730, 12470, 15910, 45053, 46139, 90106, 92278, 225265, 230695, 450530, 461390, 1306537, 1666961, 1937279, 2613074, 3333922, 3874558, 6532685, 8334805, 9686395, 13065370, 16669610, 19372790, 48341869, 56181091, 71679323, 96683738, 112362182, 143358646, 241709345, 280905455, 358396615, 483418690, 561810910, 716793230, 2078700367, 4157400734, 10393501835, 20787003670]

約数ペア:

[(1, 20787003670), (2, 10393501835), (5, 4157400734), (10, 2078700367), (29, 716793230), (37, 561810910), (43, 483418690), (58, 358396615), (74, 280905455), (86, 241709345), (145, 143358646), (185, 112362182), (215, 96683738), (290, 71679323), (370, 56181091), (430, 48341869), (1073, 19372790), (1247, 16669610), (1591, 13065370), (2146, 9686395), (2494, 8334805), (3182, 6532685), (5365, 3874558), (6235, 3333922), (7955, 2613074), (10730, 1937279), (12470, 1666961), (15910, 1306537), (45053, 461390), (46139, 450530), (90106, 230695), (92278, 225265)]