20846967296

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1313443}}^1$

素因数の和:1313492

約数の個数: 40

約数和(自身を含む): 42996902784

約数和(自身を除く): 22149935488

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 1313443, 2626886, 5253772, 10507544, 21015088, 40716733, 42030176, 81433466, 84060352, 162866932, 168120704, 325733864, 336241408, 651467728, 672482816, 1302935456, 2605870912, 5211741824, 10423483648, 20846967296]

約数ペア:

[(1, 20846967296), (2, 10423483648), (4, 5211741824), (8, 2605870912), (16, 1302935456), (31, 672482816), (32, 651467728), (62, 336241408), (64, 325733864), (124, 168120704), (128, 162866932), (248, 84060352), (256, 81433466), (496, 42030176), (512, 40716733), (992, 21015088), (1984, 10507544), (3968, 5253772), (7936, 2626886), (15872, 1313443)]