20169604936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{720961}}^1$

素因数の和:721249

約数の個数: 32

約数和(自身を含む): 40878545400

約数和(自身を除く): 20708940464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 538, 1076, 2152, 3497, 6994, 13988, 27976, 720961, 1441922, 2883844, 5767688, 9372493, 18744986, 37489972, 74979944, 193938509, 387877018, 775754036, 1551508072, 2521200617, 5042401234, 10084802468, 20169604936]

約数ペア:

[(1, 20169604936), (2, 10084802468), (4, 5042401234), (8, 2521200617), (13, 1551508072), (26, 775754036), (52, 387877018), (104, 193938509), (269, 74979944), (538, 37489972), (1076, 18744986), (2152, 9372493), (3497, 5767688), (6994, 2883844), (13988, 1441922), (27976, 720961)]