20161993664

素因数分解:

$2^6\times {\mathrm{6857}}^1\times {\mathrm{45943}}^1$

素因数の和:52812

約数の個数: 28

約数和(自身を含む): 40015661904

約数和(自身を除く): 19853668240

約数列:

[1, 2, 4, 8, 16, 32, 64, 6857, 13714, 27428, 45943, 54856, 91886, 109712, 183772, 219424, 367544, 438848, 735088, 1470176, 2940352, 315031151, 630062302, 1260124604, 2520249208, 5040498416, 10080996832, 20161993664]

約数ペア:

[(1, 20161993664), (2, 10080996832), (4, 5040498416), (8, 2520249208), (16, 1260124604), (32, 630062302), (64, 315031151), (6857, 2940352), (13714, 1470176), (27428, 735088), (45943, 438848), (54856, 367544), (91886, 219424), (109712, 183772)]