20189906044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3855979}}^1$

素因数の和:3856018

約数の個数: 48

約数和(自身を含む): 46641934080

約数和(自身を除く): 26452028036

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 3855979, 7711958, 15423916, 26991853, 42415769, 53983706, 65551643, 84831538, 107967412, 131103286, 169663076, 262206572, 296910383, 458861501, 593820766, 721068073, 917723002, 1187641532, 1442136146, 1835446004, 2884272292, 5047476511, 10094953022, 20189906044]

約数ペア:

[(1, 20189906044), (2, 10094953022), (4, 5047476511), (7, 2884272292), (11, 1835446004), (14, 1442136146), (17, 1187641532), (22, 917723002), (28, 721068073), (34, 593820766), (44, 458861501), (68, 296910383), (77, 262206572), (119, 169663076), (154, 131103286), (187, 107967412), (238, 84831538), (308, 65551643), (374, 53983706), (476, 42415769), (748, 26991853), (1309, 15423916), (2618, 7711958), (5236, 3855979)]