20848792

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 40183920

約数和(自身を除く): 19335128

約数列:

[1, 2, 4, 8, 67, 97, 134, 194, 268, 388, 401, 536, 776, 802, 1604, 3208, 6499, 12998, 25996, 26867, 38897, 51992, 53734, 77794, 107468, 155588, 214936, 311176, 2606099, 5212198, 10424396, 20848792]

約数ペア:

[(1, 20848792), (2, 10424396), (4, 5212198), (8, 2606099), (67, 311176), (97, 214936), (134, 155588), (194, 107468), (268, 77794), (388, 53734), (401, 51992), (536, 38897), (776, 26867), (802, 25996), (1604, 12998), (3208, 6499)]