20108917829

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1\times {\mathrm{10151}}^1$

素因数の和:12161

約数の個数: 32

約数和(自身を含む): 27015690240

約数和(自身を除く): 6906772411

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 1979, 10151, 13853, 21769, 25727, 71057, 111661, 131963, 152383, 180089, 282997, 781627, 923741, 1451593, 1980979, 10161151, 20088829, 140621803, 220977119, 261154777, 1546839833, 1828083439, 2872702547, 20108917829]

約数ペア:

[(1, 20108917829), (7, 2872702547), (11, 1828083439), (13, 1546839833), (77, 261154777), (91, 220977119), (143, 140621803), (1001, 20088829), (1979, 10161151), (10151, 1980979), (13853, 1451593), (21769, 923741), (25727, 781627), (71057, 282997), (111661, 180089), (131963, 152383)]