20963216

素因数分解:

$2^4\times {\mathrm{1049}}^1\times {\mathrm{1249}}^1$

素因数の和:2306

約数の個数: 20

約数和(自身を含む): 40687500

約数和(自身を除く): 19724284

約数列:

[1, 2, 4, 8, 16, 1049, 1249, 2098, 2498, 4196, 4996, 8392, 9992, 16784, 19984, 1310201, 2620402, 5240804, 10481608, 20963216]

約数ペア:

[(1, 20963216), (2, 10481608), (4, 5240804), (8, 2620402), (16, 1310201), (1049, 19984), (1249, 16784), (2098, 9992), (2498, 8392), (4196, 4996)]