20174965648

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{60689}}^1$

素因数の和:61039

約数の個数: 40

約数和(自身を含む): 39734956800

約数和(自身を除く): 19559991152

約数列:

[1, 2, 4, 8, 16, 79, 158, 263, 316, 526, 632, 1052, 1264, 2104, 4208, 20777, 41554, 60689, 83108, 121378, 166216, 242756, 332432, 485512, 971024, 4794431, 9588862, 15961207, 19177724, 31922414, 38355448, 63844828, 76710896, 127689656, 255379312, 1260935353, 2521870706, 5043741412, 10087482824, 20174965648]

約数ペア:

[(1, 20174965648), (2, 10087482824), (4, 5043741412), (8, 2521870706), (16, 1260935353), (79, 255379312), (158, 127689656), (263, 76710896), (316, 63844828), (526, 38355448), (632, 31922414), (1052, 19177724), (1264, 15961207), (2104, 9588862), (4208, 4794431), (20777, 971024), (41554, 485512), (60689, 332432), (83108, 242756), (121378, 166216)]