20199892460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1\times {\mathrm{5099}}^1$

素因数の和:6767

約数の個数: 72

約数和(自身を含む): 46664326800

約数和(自身を除く): 26464434340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1637, 2420, 3274, 5099, 6548, 8185, 10198, 16370, 18007, 20396, 25495, 32740, 36014, 50990, 56089, 72028, 90035, 101980, 112178, 180070, 198077, 224356, 280445, 360140, 396154, 560890, 616979, 792308, 990385, 1121780, 1233958, 1980770, 2467916, 3084895, 3961540, 6169790, 8347063, 12339580, 16694126, 33388252, 41735315, 83470630, 91817693, 166941260, 183635386, 367270772, 459088465, 918176930, 1009994623, 1836353860, 2019989246, 4039978492, 5049973115, 10099946230, 20199892460]

約数ペア:

[(1, 20199892460), (2, 10099946230), (4, 5049973115), (5, 4039978492), (10, 2019989246), (11, 1836353860), (20, 1009994623), (22, 918176930), (44, 459088465), (55, 367270772), (110, 183635386), (121, 166941260), (220, 91817693), (242, 83470630), (484, 41735315), (605, 33388252), (1210, 16694126), (1637, 12339580), (2420, 8347063), (3274, 6169790), (5099, 3961540), (6548, 3084895), (8185, 2467916), (10198, 1980770), (16370, 1233958), (18007, 1121780), (20396, 990385), (25495, 792308), (32740, 616979), (36014, 560890), (50990, 396154), (56089, 360140), (72028, 280445), (90035, 224356), (101980, 198077), (112178, 180070)]