20170503892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{181409}}^1$

素因数の和:181469

約数の個数: 72

約数和(自身を含む): 46446765120

約数和(自身を除く): 26276261228

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 836, 1444, 1463, 2527, 2926, 3971, 5054, 5852, 7942, 10108, 15884, 27797, 55594, 111188, 181409, 362818, 725636, 1269863, 1995499, 2539726, 3446771, 3990998, 5079452, 6893542, 7981996, 13787084, 13968493, 24127397, 27936986, 37914481, 48254794, 55873972, 65488649, 75828962, 96509588, 130977298, 151657924, 261954596, 265401367, 458420543, 530802734, 720375139, 916841086, 1061605468, 1440750278, 1833682172, 2881500556, 5042625973, 10085251946, 20170503892]

約数ペア:

[(1, 20170503892), (2, 10085251946), (4, 5042625973), (7, 2881500556), (11, 1833682172), (14, 1440750278), (19, 1061605468), (22, 916841086), (28, 720375139), (38, 530802734), (44, 458420543), (76, 265401367), (77, 261954596), (133, 151657924), (154, 130977298), (209, 96509588), (266, 75828962), (308, 65488649), (361, 55873972), (418, 48254794), (532, 37914481), (722, 27936986), (836, 24127397), (1444, 13968493), (1463, 13787084), (2527, 7981996), (2926, 6893542), (3971, 5079452), (5054, 3990998), (5852, 3446771), (7942, 2539726), (10108, 1995499), (15884, 1269863), (27797, 725636), (55594, 362818), (111188, 181409)]