20812149652

素因数分解:

$2^2\times 7^2\times {\mathrm{106184437}}^1$

素因数の和:106184455

約数の個数: 18

約数和(自身を含む): 42367590762

約数和(自身を除く): 21555441110

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 106184437, 212368874, 424737748, 743291059, 1486582118, 2973164236, 5203037413, 10406074826, 20812149652]

約数ペア:

[(1, 20812149652), (2, 10406074826), (4, 5203037413), (7, 2973164236), (14, 1486582118), (28, 743291059), (49, 424737748), (98, 212368874), (196, 106184437)]