20199894003

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{337661}}^1$

素因数の和:337724

約数の個数: 36

約数和(自身を含む): 32342617008

約数和(自身を除く): 12142723005

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 289, 391, 867, 1173, 2601, 3519, 6647, 19941, 59823, 337661, 1012983, 3038949, 5740237, 7766203, 17220711, 23298609, 51662133, 69895827, 97584029, 132025451, 292752087, 396076353, 878256261, 1188229059, 2244432667, 6733298001, 20199894003]

約数ペア:

[(1, 20199894003), (3, 6733298001), (9, 2244432667), (17, 1188229059), (23, 878256261), (51, 396076353), (69, 292752087), (153, 132025451), (207, 97584029), (289, 69895827), (391, 51662133), (867, 23298609), (1173, 17220711), (2601, 7766203), (3519, 5740237), (6647, 3038949), (19941, 1012983), (59823, 337661)]