20512535056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{205883}}^1$

素因数の和:206383

約数の個数: 40

約数和(自身を含む): 42889754880

約数和(自身を除く): 22377219824

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 479, 958, 1916, 3832, 6227, 7664, 12454, 24908, 49816, 99632, 205883, 411766, 823532, 1647064, 2676479, 3294128, 5352958, 10705916, 21411832, 42823664, 98617957, 197235914, 394471828, 788943656, 1282033441, 1577887312, 2564066882, 5128133764, 10256267528, 20512535056]

約数ペア:

[(1, 20512535056), (2, 10256267528), (4, 5128133764), (8, 2564066882), (13, 1577887312), (16, 1282033441), (26, 788943656), (52, 394471828), (104, 197235914), (208, 98617957), (479, 42823664), (958, 21411832), (1916, 10705916), (3832, 5352958), (6227, 3294128), (7664, 2676479), (12454, 1647064), (24908, 823532), (49816, 411766), (99632, 205883)]