20217616

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2741}}^1$

素因数の和:3210

約数の個数: 20

約数和(自身を含む): 39270924

約数和(自身を除く): 19053308

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2741, 3688, 5482, 7376, 10964, 21928, 43856, 1263601, 2527202, 5054404, 10108808, 20217616]

約数ペア:

[(1, 20217616), (2, 10108808), (4, 5054404), (8, 2527202), (16, 1263601), (461, 43856), (922, 21928), (1844, 10964), (2741, 7376), (3688, 5482)]