20429398

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 15767882

約数列:

[1, 2, 11, 22, 29, 41, 58, 71, 82, 121, 142, 242, 319, 451, 638, 781, 902, 1189, 1562, 2059, 2378, 2911, 3509, 4118, 4961, 5822, 7018, 8591, 9922, 13079, 17182, 22649, 26158, 32021, 45298, 64042, 84419, 143869, 168838, 249139, 287738, 352231, 498278, 704462, 928609, 1857218, 10214699, 20429398]

約数ペア:

[(1, 20429398), (2, 10214699), (11, 1857218), (22, 928609), (29, 704462), (41, 498278), (58, 352231), (71, 287738), (82, 249139), (121, 168838), (142, 143869), (242, 84419), (319, 64042), (451, 45298), (638, 32021), (781, 26158), (902, 22649), (1189, 17182), (1562, 13079), (2059, 9922), (2378, 8591), (2911, 7018), (3509, 5822), (4118, 4961)]