20854513867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{31687}}^1$

素因数の和:31831

約数の個数: 32

約数和(自身を含む): 24823111680

約数和(自身を除く): 3968597813

約数列:

[1, 11, 19, 47, 67, 209, 517, 737, 893, 1273, 3149, 9823, 14003, 31687, 34639, 59831, 348557, 602053, 658141, 1489289, 2123029, 6622583, 16382179, 23353319, 28296491, 40337551, 99782363, 311261401, 443713061, 1097605993, 1895864897, 20854513867]

約数ペア:

[(1, 20854513867), (11, 1895864897), (19, 1097605993), (47, 443713061), (67, 311261401), (209, 99782363), (517, 40337551), (737, 28296491), (893, 23353319), (1273, 16382179), (3149, 6622583), (9823, 2123029), (14003, 1489289), (31687, 658141), (34639, 602053), (59831, 348557)]