20989901322

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1692461}}^1$

素因数の和:1692535

約数の個数: 48

約数和(自身を含む): 49900549608

約数和(自身を除く): 28910648286

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 2067, 4134, 6201, 12402, 1692461, 3384922, 5077383, 10154766, 15232149, 22001993, 30464298, 44003986, 66005979, 89700433, 132011958, 179400866, 198017937, 269101299, 396035874, 538202598, 807303897, 1166105629, 1614607794, 2332211258, 3498316887, 6996633774, 10494950661, 20989901322]

約数ペア:

[(1, 20989901322), (2, 10494950661), (3, 6996633774), (6, 3498316887), (9, 2332211258), (13, 1614607794), (18, 1166105629), (26, 807303897), (39, 538202598), (53, 396035874), (78, 269101299), (106, 198017937), (117, 179400866), (159, 132011958), (234, 89700433), (318, 66005979), (477, 44003986), (689, 30464298), (954, 22001993), (1378, 15232149), (2067, 10154766), (4134, 5077383), (6201, 3384922), (12402, 1692461)]