19737980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34031}}^1$

素因数の和:34069

約数の個数: 24

約数和(自身を含む): 42880320

約数和(自身を除く): 23142340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34031, 68062, 136124, 170155, 340310, 680620, 986899, 1973798, 3947596, 4934495, 9868990, 19737980]

約数ペア:

[(1, 19737980), (2, 9868990), (4, 4934495), (5, 3947596), (10, 1973798), (20, 986899), (29, 680620), (58, 340310), (116, 170155), (145, 136124), (290, 68062), (580, 34031)]