20768050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 41762952

約数和(自身を除く): 20994902

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 425, 461, 530, 850, 901, 922, 1325, 1802, 2305, 2650, 4505, 4610, 7837, 9010, 11525, 15674, 22525, 23050, 24433, 39185, 45050, 48866, 78370, 122165, 195925, 244330, 391850, 415361, 610825, 830722, 1221650, 2076805, 4153610, 10384025, 20768050]

約数ペア:

[(1, 20768050), (2, 10384025), (5, 4153610), (10, 2076805), (17, 1221650), (25, 830722), (34, 610825), (50, 415361), (53, 391850), (85, 244330), (106, 195925), (170, 122165), (265, 78370), (425, 48866), (461, 45050), (530, 39185), (850, 24433), (901, 23050), (922, 22525), (1325, 15674), (1802, 11525), (2305, 9010), (2650, 7837), (4505, 4610)]