20503522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14332958

約数列:

[1, 2, 13, 26, 29, 58, 71, 142, 377, 383, 754, 766, 923, 1846, 2059, 4118, 4979, 9958, 11107, 22214, 26767, 27193, 53534, 54386, 144391, 288782, 353509, 707018, 788597, 1577194, 10251761, 20503522]

約数ペア:

[(1, 20503522), (2, 10251761), (13, 1577194), (26, 788597), (29, 707018), (58, 353509), (71, 288782), (142, 144391), (377, 54386), (383, 53534), (754, 27193), (766, 26767), (923, 22214), (1846, 11107), (2059, 9958), (4118, 4979)]