20194458100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{115331}}^1$

素因数の和:115465

約数の個数: 72

約数和(自身を含む): 46850626368

約数和(自身を除く): 26656168268

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 103, 170, 206, 340, 412, 425, 515, 850, 1030, 1700, 1751, 2060, 2575, 3502, 5150, 7004, 8755, 10300, 17510, 35020, 43775, 87550, 115331, 175100, 230662, 461324, 576655, 1153310, 1960627, 2306620, 2883275, 3921254, 5766550, 7842508, 9803135, 11533100, 11879093, 19606270, 23758186, 39212540, 47516372, 49015675, 59395465, 98031350, 118790930, 196062700, 201944581, 237581860, 296977325, 403889162, 593954650, 807778324, 1009722905, 1187909300, 2019445810, 4038891620, 5048614525, 10097229050, 20194458100]

約数ペア:

[(1, 20194458100), (2, 10097229050), (4, 5048614525), (5, 4038891620), (10, 2019445810), (17, 1187909300), (20, 1009722905), (25, 807778324), (34, 593954650), (50, 403889162), (68, 296977325), (85, 237581860), (100, 201944581), (103, 196062700), (170, 118790930), (206, 98031350), (340, 59395465), (412, 49015675), (425, 47516372), (515, 39212540), (850, 23758186), (1030, 19606270), (1700, 11879093), (1751, 11533100), (2060, 9803135), (2575, 7842508), (3502, 5766550), (5150, 3921254), (7004, 2883275), (8755, 2306620), (10300, 1960627), (17510, 1153310), (35020, 576655), (43775, 461324), (87550, 230662), (115331, 175100)]