20145888955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{12791}}^1$

素因数の和:13155

約数の個数: 32

約数和(自身を含む): 25972876800

約数和(自身を除く): 5826987845

約数列:

[1, 5, 19, 59, 95, 281, 295, 1121, 1405, 5339, 5605, 12791, 16579, 26695, 63955, 82895, 243029, 315001, 754669, 1215145, 1575005, 3594271, 3773345, 14338711, 17971355, 68291149, 71693555, 212061989, 341455745, 1060309945, 4029177791, 20145888955]

約数ペア:

[(1, 20145888955), (5, 4029177791), (19, 1060309945), (59, 341455745), (95, 212061989), (281, 71693555), (295, 68291149), (1121, 17971355), (1405, 14338711), (5339, 3773345), (5605, 3594271), (12791, 1575005), (16579, 1215145), (26695, 754669), (63955, 315001), (82895, 243029)]