20349068

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 39197760

約数和(自身を除く): 18848692

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 289, 493, 578, 607, 986, 1156, 1214, 1972, 2428, 8381, 10319, 16762, 17603, 20638, 33524, 35206, 41276, 70412, 175423, 299251, 350846, 598502, 701692, 1197004, 5087267, 10174534, 20349068]

約数ペア:

[(1, 20349068), (2, 10174534), (4, 5087267), (17, 1197004), (29, 701692), (34, 598502), (58, 350846), (68, 299251), (116, 175423), (289, 70412), (493, 41276), (578, 35206), (607, 33524), (986, 20638), (1156, 17603), (1214, 16762), (1972, 10319), (2428, 8381)]