20856937341

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 28336000000

約数和(自身を除く): 7479062659

約数列:

[1, 3, 109, 223, 229, 327, 669, 687, 1249, 3747, 24307, 24961, 51067, 72921, 74883, 136141, 153201, 278527, 286021, 408423, 835581, 858063, 5566303, 16698909, 30359443, 31176289, 63782683, 91078329, 93528867, 191348049, 6952312447, 20856937341]

約数ペア:

[(1, 20856937341), (3, 6952312447), (109, 191348049), (223, 93528867), (229, 91078329), (327, 63782683), (669, 31176289), (687, 30359443), (1249, 16698909), (3747, 5566303), (24307, 858063), (24961, 835581), (51067, 408423), (72921, 286021), (74883, 278527), (136141, 153201)]