20988528032

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{3527}}^1\times {\mathrm{10939}}^1$

素因数の和:14493

約数の個数: 48

約数和(自身を含む): 43768226880

約数和(自身を除く): 22779698848

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 3527, 7054, 10939, 14108, 21878, 28216, 43756, 56432, 59959, 87512, 112864, 119918, 175024, 185963, 239836, 350048, 371926, 479672, 743852, 959344, 1487704, 1918688, 2975408, 5950816, 38581853, 77163706, 154327412, 308654824, 617309648, 655891501, 1234619296, 1311783002, 2623566004, 5247132008, 10494264016, 20988528032]

約数ペア:

[(1, 20988528032), (2, 10494264016), (4, 5247132008), (8, 2623566004), (16, 1311783002), (17, 1234619296), (32, 655891501), (34, 617309648), (68, 308654824), (136, 154327412), (272, 77163706), (544, 38581853), (3527, 5950816), (7054, 2975408), (10939, 1918688), (14108, 1487704), (21878, 959344), (28216, 743852), (43756, 479672), (56432, 371926), (59959, 350048), (87512, 239836), (112864, 185963), (119918, 175024)]