20766506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13447894

約数列:

[1, 2, 19, 38, 43, 71, 86, 142, 179, 358, 817, 1349, 1634, 2698, 3053, 3401, 6106, 6802, 7697, 12709, 15394, 25418, 58007, 116014, 146243, 241471, 292486, 482942, 546487, 1092974, 10383253, 20766506]

約数ペア:

[(1, 20766506), (2, 10383253), (19, 1092974), (38, 546487), (43, 482942), (71, 292486), (86, 241471), (142, 146243), (179, 116014), (358, 58007), (817, 25418), (1349, 15394), (1634, 12709), (2698, 7697), (3053, 6802), (3401, 6106)]