20996208

素因数分解:

$2^4\times 3^2\times {\mathrm{145807}}^1$

素因数の和:145821

約数の個数: 30

約数和(自身を含む): 58760624

約数和(自身を除く): 37764416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145807, 291614, 437421, 583228, 874842, 1166456, 1312263, 1749684, 2332912, 2624526, 3499368, 5249052, 6998736, 10498104, 20996208]

約数ペア:

[(1, 20996208), (2, 10498104), (3, 6998736), (4, 5249052), (6, 3499368), (8, 2624526), (9, 2332912), (12, 1749684), (16, 1312263), (18, 1166456), (24, 874842), (36, 583228), (48, 437421), (72, 291614), (144, 145807)]