20199631100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1669391}}^1$

素因数の和:1669427

約数の個数: 54

約数和(自身を含む): 48180322512

約数和(自身を除く): 27980691412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 12100, 1669391, 3338782, 6677564, 8346955, 16693910, 18363301, 33387820, 36726602, 41734775, 73453204, 83469550, 91816505, 166939100, 183633010, 201996311, 367266020, 403992622, 459082525, 807985244, 918165050, 1009981555, 1836330100, 2019963110, 4039926220, 5049907775, 10099815550, 20199631100]

約数ペア:

[(1, 20199631100), (2, 10099815550), (4, 5049907775), (5, 4039926220), (10, 2019963110), (11, 1836330100), (20, 1009981555), (22, 918165050), (25, 807985244), (44, 459082525), (50, 403992622), (55, 367266020), (100, 201996311), (110, 183633010), (121, 166939100), (220, 91816505), (242, 83469550), (275, 73453204), (484, 41734775), (550, 36726602), (605, 33387820), (1100, 18363301), (1210, 16693910), (2420, 8346955), (3025, 6677564), (6050, 3338782), (12100, 1669391)]